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Starting work at WHO in Geneva with the Community Based Rehabilitation Project

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(Excerpted from Memories that linger: My journey in the world of disability by Padmani Mendis)

All arrangements were made for travel on May 14. In those days the Swiss visa was obtained over the counter. Flights were frequent. Ticketing by Swiss Air was quick and easy. And made easier by an accessible manager. Punctual departure, smooth take off, much napping on the flight, it did not seem long before I awoke to hear our arrival in Geneva being announced.

As I looked out of the window dawn was just breaking. And what an astounding scenic feast awaited my eyes. The glow of the early sunrise bathing over beautiful snow-capped mountain peaks of all shapes and sizes stretching out forever. And the culmination of it – Mont Blanc rising majestically above them in all its glorious purity. So wondrous was the site that the pilot took us round twice over so we could drink in that vista. He took us as close as he could safely take us, so close that one felt one could almost touch the glorious mountain. It was a brief but exceptional experience never to be had again in all my flights over those Swiss mountains.

Thank you, Captain. I can still see Mont Blanc as it was that beautiful morning in May even as I write about it here, 43 years later.

In Geneva, I met Gunnel for the first time and we connected immediately. It was as though we had known each other forever. She and Einar were friends already, having worked together in Gothenburg, she as Head of Occupational Therapy and he as the Internal Medicine Specialist in charge of the Department of Rehabilitation. The three of us spent but little time on pleasantries and sat down together immediately to start our work on developing “Community Oriented Rehabilitation”. In this we were being very Swedish – time is too precious to be wasted.

We spent much time discussing the possible strategy that Einar had conceived and how it could be put on the ground. Then Einar would go off to attend to his other responsibilities in the unit while Gunnel and I actually started putting the ideas we had developed down on paper. Over the next few years we would be together in Geneva like this may be a couple of times a year, sharing our field experiences and our real-life learning. Using that to improve our materials and setting ever higher our goals aimed at a better life for disabled people.

And then to go away again to carry out more evaluation and gain more learning.

Community-Based Rehabilitation or CBR

During one such discussion in the early days we knew we had not got something quite right. “Orienting” rehabilitation to communities does not go quite far enough, we agreed. What we were discussing was something far deeper, penetrating the communities in which disabled people lived, promoting ownership of the rehabilitation process by those community members and disabled people together. For we knew from our own experiences and discussions with others that change would come only with ownership of, and responsibility for, the process of change.

Then Eureka! We got it right. Rehabilitation must be based in the Community we exclaimed almost together. It must be part of the fabric of each community. What we are talking about is Community-Based Rehabilitation. And so the term was born. Einar immediately went further. Ever the innovator, “We can shorten it to CBR,” he said.

And that is how the world came to know it – CBR, at that time as it does today.

The use of the word “based” had also another very important implication. We knew that all rehabilitation tasks could not be carried out at the community level. Support from outside would no doubt be required to assist them to solve those problems that they could not solve by themselves. The term CBR implied that a supporting structure was called for.

Einar

Einar had come to take up his post at WHO some four years earlier. His high level of intellect and intensively scientific mind is combined with an unlimited visionary outlook. All of which makes him a truly unique individual. For disability globally he was the right man at the right time at the right job. His concern was for the poor and the needy, the vulnerable, the marginalised, the neglected.

And that concern knew no bounds. Son of a Swedish Bishop, he grew up when poverty was the norm in Sweden. Before the Swedes discovered the value of the abundance of trees that nature had blessed their land with. He told me how he would see individuals rummaging in garbage bins where he grew up in Stockholm in the same way he saw people now in the poorer countries that he visited.

He was a sensitive individual. It was no surprise that he made it his first priority when he came to WHO to address the issues related to disabled people in developing countries. Issues of discrimination, disregard and destitution.

To understand these issues deeply, he selected a few countries to visit. Important to him was to reach rural areas where those most in need lived, to talk with them and their family members and others who lived in their neighbourhood. This gave him an understanding of how such people dealt with their problems and took steps to overcome them in the here and now. Because these people just had to. Life would have not been possible had they not.

One such country he chose to visit was in the Middle East. A recent disaster was created when poisoned cooking oil had been consumed by a significant section of the population. Many people, including a large number of children, had been paralysed by the poison. Various parts of their body had been affected. As a result, some had been unable to walk, others to move their legs or trunks, still others to use their arms. Einar was struck by the resilience of these people whose lives had been shattered by the cooking oil. The disaster impacted heavily on the severe financial and other difficulties most faced. It impacted on their day to day living and on their quality of life.

And yet these people had, to a large extent, reduced this impact by overcoming the effects the poison had on their bodies. Spending time with these people, Einar saw how mothers had made bars in their garden using branches of trees so that their children could hold onto them, use their legs to make them stronger and be able to walk again. He saw adults using suitably-shaped tree branches as crutches to enable them to walk and attend to farming. He talked with others who had been unable to move about make simple trolleys on which they could get to where they wanted, even involving themselves in trading.

In other countries he visited he met people who were deaf communicating with neighbours and others in their villages using simple signs which they had developed themselves. He saw blind people moving around the neighbourhood with a stick to guide them so that they were not isolated at home.

These visits constituted valuable learning for Einar. The learning converted into a seed from which grew the strategy that the world came to know and practice as Community-Based Rehabilitation or CBR.

Putting Learning into Practice and the Role of SIDA

Now he had to put the ideas he derived from the learning he acquired to WHO and get approval for action. Protocol required that he prepare an analysis of the situation of disabled people in developing countries to justify the recommendations he would make to WHO for a policy change. Preparing the policy document was a long process.

It was ultimately approved by WHO in 1978. The new policy direction was at that time called “Disability Prevention and Rehabilitation”. Later the programme name was changed to “Rehabilitation”.

Once approval was obtained, Einar had to seek extra budgetary funding to set in motion the beginnings of policy implementation. The Swedish International Development Agency or SIDA was particularly partial to the less fortunate in this world. The WHO’s new policy direction was attractive to them and they came to be a partner of the rehabilitation programme for the next decade or so. It is thanks to SIDA that Community-Based Rehabilitation was developed globally benefiting so many disabled people and their families throughout the developing world.

And it is also thanks to SIDA that Einar, Gunnel and I were now together in Geneva working on the CBR strategy and drafting a Manual that would start putting this policy into action. Then having done this, we would evaluate the practice of these in the field. Development of the CBR strategy with the Manual and its evaluation took until 1989. The Manual called “Training in the Community for People with Disabilities” became an official WHO publication that year. It was said by WHO some years ago that this Manual had been translated into over sixty languages and used in over 100 countries.

First Tasks

Carrying out these first tasks in Geneva in 1979 was no easy job. Drafting a Manual was arduous and exhausting. The first step was involving as many people as was practically possible and with them, collecting information. For this the assistance provided by a volunteer was invaluable. She had space in our room, joined us at our desk and sent off letters to as many sources as she could contact in any and every part of the world to seek their views on a possible strategy and its implementation.

Then she collated and tabulated the replies she received. Helen was from Australia. Her husband, a medical specialist was on contract to WHO for two years. Helen, herself a medical specialist but with no formal job had time on her hands, some of which she spent willingly with us.

As for Gunnel and me, one of our earliest tasks was to go round the “House” as the headquarters was often referred to. We met divisional heads and other officials in those departments that were relevant to disability and to what we were doing. These included for example mental health, accident prevention, blindness and deafness prevention, nursing, medical education and so on.

The response of most was seldom a positive or an encouraging one. Many were frankly discouraging. Some indicating that the idea of introducing rehabilitation strategies at community level was sheer madness. Which had Gunnel and I sometimes return to our room, close the door and shed buckets of tears. What were these people telling us? Did they not understand, not care? Where were we going?

Together we shared a strong belief with Einar that this was definitely the way to go and with this shared belief we overcame all obstacles. I recall one outstanding personality who gave us his wholehearted support from the word go. He was Jean Jacques Gilbert or JJ, a specialist in Medical Education and Head of that Department. He had done pioneering work in objectives-based teaching and evaluation of learning and was continuing to develop materials for medical education on these lines.

Einar and he shared a relationship based on mutual respect; each had an independent spirit and confidence in what the other was doing. Gunnel and I believed that what brought them together also was the antipathy to them shown by other professionals in the House. We believed also that the antipathy was a result of some envy of the intellectual and visionary capacity and the pioneering spirit demonstrated by both JJ and Einar.

Gunnel and I also grew a relationship of mutual respect with JJ. Over the next few years on our many stints in Geneva, Gunnel and I often turned to him for advice when we were stuck. The materials we developed were for self-learning, objectives-based and facilitated self-evaluation. So JJ’s advice was invaluable.

For me from Sri Lanka, his manner was sometimes embarrassing. Being a Frenchman and a gallant one at that, he would insist on greeting me by raising my hand to kiss the back of it with a bow, a real old-fashioned French style of greeting. This happened even when we met on a corridor. Strangely enough he never did that with Gunnel and that made me wonder, why not?

Gunnel and I experienced interactions within the House that resulted in both highs and lows for us. Neither of us liked the atmosphere that prevailed within it at that time, perhaps because we were women consultants, a relative rarity. But we loved our work and nothing could keep us away from that House.

Gathering More Information to Complete a Draft

Our initial work of gathering views and recommendations extended beyond the House to other institutions in Geneva. These included ILO, the International Labour Organisation, where we met Mr. Brown, a chubby, pleasant individual from England. He was supportive of our work from the time we told him of it. He cooperated with us to develop the strategy and evaluated those sections that were relevant to work, particularly the module on income generation.

Mr. Brown was responsible for having ILO formally recognised as a co-producer of the draft Manual with the ILO logo alongside that of WHO on the cover. So did UNDP, UNICEF and UNESCO have their logos on the cover.

Gunnel and I also visited UNESCO in Paris to meet Lena Saleh from Jordan. Lena was the single worker in the Special Education Section as it was then called, fighting a lone battle to improve the education of disabled children. The way she fought this battle alone was by producing booklets and other material for distribution and use in developing countries. One person alone in Paris reaching and impacting the right to education of many thousands of children and their teachers who were far away. Einar and Lena were good friends, their common approach to work bringing them together.

The Manual “Training in the Community for People with Disabilities”: Knowledge is Power

The WHO Manual “Training in the Community for People with Disabilities” or TCPD contains knowledge, and Knowledge is Power. This is the overall, the primary purpose of the Manual. That disabled people, their families and their communities will have power; power in their own hands to change their situations. Today we call this empowerment. That word empowerment was not used then, but here was the concept of empowerment in practice.

In the absence of knowledge together with the power to use it and to know how to use it, no change is possible. The overall design and content of the Manual has therefore a dual role: one, how to change their situation which was called the CBR strategy, and two, the CBR technology. The technology was actions made possible with knowledge and skills. The Manual has also built into it a monitoring and evaluation system to check that both are working.

A term that was not used at the time the Manual was first drafted, was community mobilisation. But this process of community mobilisation is the foundation of CBR. It is described in the Manual as including the following: bringing members of a community together, enabling them to talk about any problems within their group related to disability, discussing the resources they themselves had to deal with such problems and what more they may need, making available to them the knowledge and skills they need to do these, providing them with the support they needed and making all this sustainable.

In a nutshell, this is the CBR process. The Manual was not designed for professionals. It was essentially for CBR implementation within rural communities. With some adaptations it was also used in urban communities



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Ramadan 2026: Fasting hours around the world

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The Muslim holy month of Ramadan is set to begin on February 18 or 19, depending on the sighting of the crescent moon.

During the month, which lasts 29 or 30 days, Muslims observing the fast will refrain from eating and drinking from dawn to dusk, typically for a period of 12 to 15 hours, depending on their location.

Muslims believe Ramadan is the month when the first verses of the Quran were revealed to the Prophet Muhammad more than 1,400 years ago.

The fast entails abstinence from eating, drinking, smoking and sexual relations during daylight hours to achieve greater “taqwa”, or consciousness of God.

Why does Ramadan start on different dates every year?

Ramadan begins 10 to 12 days earlier each year. This is because the Islamic calendar is based on the lunar Hijri calendar, with months that are 29 or 30 days long.

For nearly 90 percent of the world’s population living in the Northern Hemisphere, the number of fasting hours will be a bit shorter this year and will continue to decrease until 2031, when Ramadan will encompass the winter solstice, the shortest day of the year.

For fasting Muslims living south of the equator, the number of fasting hours will be longer than last year.

Because the lunar year is shorter than the solar year by 11 days, Ramadan will be observed twice in the year 2030 – first beginning on January 5 and then starting on December 26.

INTERACTIVE - Ramadan 2026 33 year fasting cycle-1770821237
(Al Jazeera)

Fasting hours around the world

The number of daylight hours varies across the world.

Since it is winter in the Northern Hemisphere, this Ramadan, people living there will have the shortest fasts, lasting about 12 to 13 hours on the first day, with the duration increasing throughout the month.

People in southern countries like Chile, New Zealand, and South Africa will have the longest fasts, lasting about 14 to 15 hours on the first day. However, the number of fasting hours will decrease throughout the month.

INTERACTIVE - Fasting hours around the world-1770821240

[Aljazeera]

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The education crossroads:Liberating Sri Lankan classroom and moving ahead

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Education reforms have triggered a national debate, and it is time to shift our focus from the mantra of memorising facts to mastering the art of thinking as an educational tool for the children of our land: the glorious future of Sri Lanka.

The 2026 National Education Reform Agenda is an ambitious attempt to transform a century-old colonial relic of rote-learning into a modern, competency-based system. Yet for all that, as the headlines oscillate between the “smooth rollout” of Grade 01 reforms and the “suspension of Grade 06 modules,” due to various mishaps, a deeper question remains: Do we truly and clearly understand how a human being learns?

Education is ever so often mistaken for the volume of facts a student can carry in his or her head until the day of an examination. In Sri Lanka the “Scholarship Exam” (Grade 05) and the O-Level/A-Level hurdles have created a culture where the brain is treated as a computer hard drive that stores data, rather than a superbly competent processor of information.

However, neuroscience and global success stories clearly project a different perspective. To reform our schools, we must first understand the journey of the human mind, from the first breath of infancy to the complex thresholds of adulthood.

The Architecture of the Early Mind: Infancy to Age 05

The journey begins not with a textbook, but with, in tennis jargon, a “serve and return” interaction. When a little infant babbles, and a parent responds with a smile or a word or a sentence, neural connections are forged at a rate of over one million per second. This is the foundation of cognitive architecture, the basis of learning. The baby learns that the parent is responsive to his or her antics and it is stored in his or her brain.

In Scandinavian countries like Finland and Norway, globally recognised and appreciated for their fantastic educational facilities, formal schooling does not even begin until age seven. Instead, the early years are dedicated to play-based learning. One might ask why? It is because neuroscience has clearly shown that play is the “work” of the child. Through play, children develop executive functions, responsiveness, impulse control, working memory, and mental flexibility.

In Sri Lanka, we often rush like the blazes on earth to put a pencil in the hand of a three-year-old, and then firmly demanding the child writes the alphabet. Contrast this with the United Kingdom’s “Birth to 5 Matters” framework. That initiative prioritises “self-regulation”, the ability to manage emotions and focus. A child who can regulate their emotions is a child who can eventually solve a quadratic equation. However, a child who is forced to memorise before they can play, often develops “school burnout” even before they hit puberty.

The Primary Years: Discovery vs. Dictation

As children move into the primary years (ages 06 to 12), the brain’s “neuroplasticity” is at its peak. Neuroplasticity refers to the malleability of the human brain. It is the brain’s ability to physically rewire its neural pathways in response to new information or the environment. This is the window where the “how” of learning becomes a lot more important than the “what” that the child should learn.

Singapore is often ranked number one in the Programme for International Student Assessment (PISA) scores. It is a worldwide study conducted by the Organisation for Economic Co-operation and Development (OECD) that measures the scholastic performance of 15-year-old students in mathematics, science, and reading. It is considered to be the gold standard for measuring “education” because it does not test whether students can remember facts. Instead, it tests whether they can apply what they have learned to solve real-world problems; a truism that perfectly aligns with the argument that memorisation is not true or even valuable education. Singapore has moved away from its old reputation for “pressure-cooker” education. Their current mantra is “Teach Less, Learn More.” They have reduced the syllabus to give teachers room to facilitate inquiry. They use the “Concrete-Pictorial-Abstract” approach to mathematics, ensuring children understand the logic of numbers before they are asked to memorise formulae.

In Japan, the primary curriculum emphasises Moral Education (dotoku) and Special Activities (tokkatsu). Children learn to clean their own classrooms and serve lunch. This is not just about performing routine chores; it really is as far as you can get away from it. It is about learning collaboration and social responsibility. The Japanese are wise enough to understand that even an absolutely brilliant scientist who cannot work in a team is a liability to society.

In Sri Lanka, the current debate over the 2026 reforms centres on the “ABCDE” framework: Attendance, Belongingness, Cleanliness, Discipline, and English. While these are noble goals, we must be careful not to turn “Belongingness” into just another checkbox. True learning in the primary years happens when a child feels safe enough to ask “Why?” without the fear of being told “Because it is in the syllabus” or, in extreme cases, “It is not your job to question it.” Those who perpetrate such remarks need to have their heads examined, because in the developed world, the word “Why” is considered to be a very powerful expression, as it demands answers that involve human reasoning.

The Adolescent Brain: The Search for Meaning

Between ages 12 and 18, the brain undergoes a massive refashioning or “pruning” process. The prefrontal cortex of the human brain, the seat of reasoning, is still under construction. This is why teenagers are often impulsive but also capable of profound idealism. However, with prudent and gentle guiding, the very same prefrontal cortex can be stimulated to reach much higher levels of reasoning.

The USA and UK models, despite their flaws, have pioneered “Project-Based Learning” (PBL). Instead of sitting for a history lecture, students might be tasked with creating a documentary or debating a mock trial. This forces them to use 21st-century skills, like critical thinking, communication, and digital literacy. For example, memorising the date of the Battle of Danture is a low-level cognitive task. Google can do it in 0.02 seconds or less. However, analysing why the battle was fought, and its impact on modern Sri Lankan identity, is a high-level cognitive task. The Battle of Danture in 1594 is one of the most significant military victories in Sri Lankan history. It was a decisive clash between the forces of the Kingdom of Kandy, led by King Vimaladharmasuriya 1, and the Portuguese Empire, led by Captain-General Pedro Lopes de Sousa. It proved that a smaller but highly motivated force with a deep understanding of its environment could defeat a globally dominant superpower. It ensured that the Kingdom of Kandy remained independent for another 221 years, until 1815. Without this victory, Sri Lanka might have become a full Portuguese colony much earlier. Children who are guided to appreciate the underlying reasons for the victory will remember it and appreciate it forever. Education must move from the “What” to the “So What about it?

The Great Fallacy: Why Memorisation is Not Education

The most dangerous myth in Sri Lankan education is that a “good memory” equals a “good education.” A good memory that remembers information is a good thing. However, it is vital to come to terms with the concept that understanding allows children to link concepts, reason, and solve problems. Memorisation alone just results in superficial learning that does not last.

Neuroscience shows that when we learn through rote recall, the information is stored in “silos.” It stays put in a store but cannot be applied to new contexts. However, when we learn through understanding, we build a web of associations, an omnipotent ability to apply it to many a variegated circumstance.

Interestingly, a hybrid approach exists in some countries. In East Asian systems, as found in South Korea and China, “repetitive practice” is often used, not for mindless rote, but to achieve “fluency.” Just as a pianist practices scales to eventually play a concerto with soul sounds incorporated into it, a student might practice basic arithmetic to free up “working memory” for complex physics. The key is that the repetition must lead to a “deep” approach, not a superficial or “surface” one.

Some Suggestions for Sri Lanka’s Reform Initiatives

The “hullabaloo” in Sri Lanka regarding the 2026 reforms is, in many ways, a healthy sign. It shows that the country cares. That is a very good thing. However, the critics have valid points.

* The Digital Divide: Moving towards “digital integration” is progressive, but if the burden of buying digital tablets and computers falls on parents in rural villages, we are only deepening the inequality and iniquity gap. It is our responsibility to ensure that no child is left behind, especially because of poverty. Who knows? That child might turn out to be the greatest scientist of all time.

* Teacher Empowerment: You cannot have “learner-centred education” without “independent-thinking teachers.” If our teachers are treated as “cogs in a machine” following rigid manuals from the National Institute of Education (NIE), the students will never learn to think for themselves. We need to train teachers to be the stars of guidance. Mistakes do not require punishments; they simply require gentle corrections.

* Breadth vs. Depth: The current reform’s tendency to increase the number of “essential subjects”, even up to 15 in some modules, ever so clearly risks overwhelming the cognitive and neural capacities of students. The result would be an “academic burnout.” We should follow the Scandinavian model of depth over breadth: mastering a few things deeply is much better than skimming the surface of many.

The Road to Adulthood

By the time a young adult reaches 21, his or her brain is almost fully formed. The goal of the previous 20 years should not have been to fill a “vessel” with facts, but to “kindle a fire” of curiosity.

The most successful adults in the 2026 global economy or science are not those who can recite the periodic table from memory. They are those who possess grit, persistence, adaptability, reasoning, and empathy. These are “soft skills” that are actually the hardest to teach. More importantly, they are the ones that cannot be tested in a three-hour hall examination with a pen and paper.

A personal addendum

As a Consultant Paediatrician with over half a century of experience treating children, including kids struggling with physical ailments as well as those enduring mental health crises in many areas of our Motherland, I have seen the invisible scars of our education system. My work has often been the unintended ‘landing pad’ for students broken by the relentless stresses of rote-heavy curricula and the rigid, unforgiving and even violently exhibited expectations of teachers. We are currently operating a system that prioritises the ‘average’ while failing the individual. This is a catastrophe that needs to be addressed.

In addition, and most critically, we lack a formal mechanism to identify and nurture our “intellectually gifted” children. Unlike Singapore’s dedicated Gifted Education Programme (GEP), which identifies and provides specialised care for high-potential learners from a very young age, our system leaves these bright minds to wither in the boredom of standard classrooms or, worse, treats their brilliance as a behavioural problem to be suppressed. Please believe me, we do have equivalent numbers of gifted child intellectuals as any other nation on Mother Earth. They need to be found and carefully nurtured, even with kid gloves at times.

All these concerns really break my heart as I am a humble product of a fantastic free education system that nurtured me all those years ago. This Motherland of mine gave me everything that I have today, and I have never forgotten that. It is the main reason why I have elected to remain and work in this country, despite many opportunities offered to me from many other realms. I decided to write this piece in a supposedly valiant effort to anticipate that saner counsel would prevail finally, and all the children of tomorrow will be provided with the very same facilities that were afforded to me, right throughout my career. Ever so sadly, the current system falls ever so far from it.

Conclusion: A Fervent Call to Action

If we want Sri Lanka to thrive, we must stop asking our children, “What did you learn today?” and start asking, “What did you learn to question today?

Education reform is not just about changing textbooks or introducing modules. It is, very definitely, about changing our national mindset. We must learn to equally value the artist as much as the doctor, and the critical thinker as much as the top scorer in exams. Let us look to the world, to the play of the Finns, the discipline of the Japanese, and the inquiry of the British, and learn from them. But, and this is a BIG BUT…, let us build a system that is uniquely Sri Lankan. We need a system that makes absolutely sure that our children enjoy learning. We must ensure that it is one where every child, without leaving even one of them behind, from the cradle to the graduation cap, is seen not as a memory bank, but as a mind waiting to be set free.

by Dr B. J. C. Perera
MBBS(Cey), DCH(Cey), DCH(Eng), MD(Paed), MRCP(UK), FRCP(Edin), FRCP(Lond), FRCPCH(UK), FSLCPaed, FCCP, Hony. FRCPCH(UK), Hony. FCGP(SL)
Specialist Consultant Paediatrician and Honorary Senior Fellow, Postgraduate Institute of Medicine, University of Colombo, Sri Lanka.
Joint Editor, Sri Lanka
Journal of Child Health]
Section Editor, Ceylon Medical Journal

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Giants in our backyard: Why Sri Lanka’s Blue Whales matter to the world

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Whales in the seas off Sri Lanka

Standing on the southern tip of the island at Dondra Head, where the Indian Ocean stretches endlessly in every direction, it is difficult to imagine that beneath those restless blue waves lies one of the greatest wildlife spectacles on Earth.

Yet, according to Dr. Ranil Nanayakkara, Sri Lanka today is not just another tropical island with pretty beaches – it is one of the best places in the world to see blue whales, the largest animals ever to have lived on this planet.

“The waters around Sri Lanka are particularly good for blue whales due to a unique combination of geography and oceanographic conditions,” Dr. Nanayakkara told The Island. “We have a reliable and rich food source, and most importantly, a unique, year-round resident population.”

In a world where blue whales usually migrate thousands of kilometres between polar feeding grounds and tropical breeding areas, Sri Lanka offers something extraordinary – a non-migratory population of pygmy blue whales (Balaenoptera musculus indica) that stay around the island throughout the year. Instead of travelling to Antarctica, these giants simply shift their feeding grounds around the island, moving between the south and east coasts with the monsoons.

The secret lies beneath the surface. Seasonal monsoonal currents trigger upwelling of cold, nutrient-rich water, which fuels massive blooms of phytoplankton. This, in turn, supports dense swarms of Sergestidae shrimps – tiny creatures that form the primary diet of Sri Lanka’s blue whales.

“Blue whales require dense aggregations of these shrimps to meet their massive energy needs,” Dr. Nanayakkara explained. “And the waters around Dondra Head and Trincomalee provide exactly that.”

Adding to this natural advantage is Sri Lanka’s narrow continental shelf. The seabed drops sharply into deep oceanic canyons just a few kilometres from the shore. This allows whales to feed in deep waters while remaining close enough to land to be observed from places like Mirissa and Trincomalee – a rare phenomenon anywhere in the world.

Dr. Nanayakkara’s journey into marine research began not in a laboratory, but in front of a television screen. As a child, he was captivated by the documentary Whales Weep Not by James R. Donaldson III – the first visual documentation of sperm and blue whales in Sri Lankan waters.

“That documentary planted the seed,” he recalled. “But what truly set my path was my first encounter with a sperm whale off Trincomalee. Seeing that animal surface just metres away was humbling. It made me realise that despite decades of conflict on land, Sri Lanka harbours globally significant marine treasures.”

Since then, his work has focused on cetaceans – from blue whales and sperm whales to tropical killer whales and elusive beaked whales. What continues to inspire him is both the scientific mystery and the human connection.

“These blue whales do not follow typical migration patterns. Their life cycles, communication and adaptability are still not fully understood,” he said. “And at the same time, seeing the awe in people’s eyes during whale watching trips reminds me why this work matters.”

Whale watching has become one of Sri Lanka’s fastest-growing tourism industries. On the south coast alone, thousands of tourists head out to sea every year in search of a glimpse of the giants. But Dr. Nanayakkara warned that without strict regulation, this boom could become a curse.

“We already have good guidelines – vessels must stay at least 100 metres away and maintain slow speeds,” he noted. “The problem is enforcement.”

Speaking to The Island, he stressed that Sri Lanka stands at a critical crossroads. “We can either become a global model for responsible ocean stewardship, or we can allow short-term economic interests to erode one of the most extraordinary marine ecosystems on the planet. The choice we make today will determine whether these giants continue to swim in our waters tomorrow.”

Beyond tourism, a far more dangerous threat looms over Sri Lanka’s whales – commercial shipping traffic. The main east-west shipping lanes pass directly through key blue whale habitats off the southern coast.

“The science is very clear,” Dr. Nanayakkara told The Island. “If we move the shipping lanes just 15 nautical miles south, we can reduce the risk of collisions by up to 95 percent.”

Such a move, however, requires political will and international cooperation through bodies like the International Maritime Organization and the International Whaling Commission.

“Ships travelling faster than 14 knots are far more likely to cause fatal injuries,” he added. “Reducing speeds to 10 knots in high-risk areas can cut fatal strikes by up to 90 percent. This is not guesswork – it is solid science.”

To most people, whales are simply majestic animals. But in ecological terms, they are far more than that – they are engineers of the ocean system itself.

Through a process known as the “whale pump”, whales bring nutrients from deep waters to the surface through their faeces, fertilising phytoplankton. These microscopic plants absorb vast amounts of carbon dioxide, making whales indirect allies in the fight against climate change.

“When whales die and sink, they take all that carbon with them to the deep sea,” Dr. Nanayakkara said. “They literally lock carbon away for centuries.”

Dr. Ranil Nanayakkara

Even in death, whales create life. “Whale falls” – carcasses on the ocean floor – support unique deep-sea communities for decades.

“Protecting whales is not just about saving a species,” he said. “It is about protecting the ocean’s ability to function as a life-support system for the planet.”

For Dr. Nanayakkara, whales are not abstract data points – they are individuals with personalities and histories.

One of his most memorable encounters was with a female sperm whale nicknamed “Jaw”, missing part of her lower jaw.

“She surfaced right beside our boat, her massive eye level with mine,” he recalled. “In that moment, the line between observer and observed blurred. It was a reminder that these are sentient beings, not just research subjects.”

Another was with a tropical killer whale matriarch called “Notch”, who surfaced with her calf after a hunt.

“It felt like she was showing her offspring to us,” he said softly. “There was pride in her movement. It was extraordinary.”

Looking ahead, Dr. Nanayakkara envisions Sri Lanka as a global leader in a sustainable blue economy – where conservation and development go hand in hand.

“The ultimate goal is shared stewardship,” he told The Island. “When fishermen see healthy reefs as future income, and tour operators see protected whales as their greatest asset, conservation becomes everyone’s business.”

In the end, Sri Lanka’s greatest natural inheritance may not be its forests or mountains, but the silent giants gliding through its surrounding seas.

“Our ocean health is our greatest asset,” Dr. Nanayakkara said in conclusion. “If we protect it wisely, these whales will not just survive – they will define Sri Lanka’s place in the world.”

By Ifham Nizam

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