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When the Waters Rise: Floods, Fear and the ancient survivors of Sri Lanka

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A fresh water tank as a Mugger habitat (Photo- Anslem de Silva)

The water came quietly at first, a steady rise along the riverbanks, familiar to communities who have lived beside Sri Lanka’s great waterways for generations. But within hours, these same rivers had swollen into raging, unpredictable forces. The Kelani Ganga overflowed. The Nilwala broke its margins. The Bentara, Kalu, and Mahaweli formed churning, chocolate-brown channels cutting through thousands of homes.

When the floods finally began to recede, villagers emerged to assess the damage, only to be confronted by another challenge: crocodiles. From Panadura’s back lanes to the suburbs of Colombo, and from the lagoons around Kalutara to the paddy fields of the dry zone, reports poured in of crocodiles resting on bunds, climbing over fences, or drifting silently into garden wells.

For many, these encounters were terrifying. But to Sri Lanka’s top herpetologists, the message was clear: this is what happens when climate extremes collide with shrinking habitats.

“Crocodiles are not invading us … we are invading floodplains”

Sri Lanka’s foremost crocodile expert, Dr. Anslem de Silva, Regional Chairman for South Asia and Iran of the IUCN/SSC Crocodile Specialist Group, has been studying crocodiles for over half a century. His warning is blunt.

“When rivers turn into violent torrents, crocodiles simply seek safety,” he says. “They avoid fast-moving water the same way humans do. During floods, they climb onto land or move into calm backwaters. People must understand this behaviour is natural, not aggressive.”

In the past week alone, Saltwater crocodiles have been sighted entering the Wellawatte Canal, drifting into the Panadura estuary, and appearing unexpectedly along Bolgoda Lake.

“Saltwater crocodiles often get washed out to sea during big floods,” Dr. de Silva explains. “Once the current weakens, they re-enter through the nearest lagoon or canal system. With rapid urbanisation along these waterways, these interactions are now far more visible.”

This clash between wildlife instinct and human expansion forms the backdrop of a crisis now unfolding across the island.

A conflict centuries old—now reshaped by climate change

Sri Lanka’s relationship with crocodiles is older than most of its kingdoms. The Cūḷavaṃsa describes armies halted by “flesh-eating crocodiles.” Ancient medical texts explain crocodile bite treatments. Fishermen and farmers around the Nilwala, Walawe, Maduganga, Batticaloa Lagoon, and Kalu Ganga have long accepted kimbula as part of their environment.

But the modern conflict has intensified dramatically.

A comprehensive countrywide survey by Dr. de Silva recorded 150 human–crocodile attacks, with 50 fatal, between 2008 and 2010. Over 52 percent occurred when people were bathing, and 83 percent of victims were men engaged in routine activities—washing, fishing, or walking along shallow margins.

Researchers consistently emphasise: most attacks happen not because crocodiles are unpredictable, but because humans underestimate them.

Yet this year’s flooding has magnified risks in new ways.

“Floods change everything” — Dr. Nimal D. Rathnayake

Herpetologist Dr. Nimal Rathnayake says the recent deluge cannot be understood in isolation.

“Floodwaters temporarily expand the crocodile’s world,” he says. “Areas people consider safe—paddy boundaries, footpaths, canal edges, abandoned land—suddenly become waterways.”

Once the water retreats, displaced crocodiles may end up in surprising places.

“We’ve documented crocodiles stranded in garden wells, drainage channels, unused culverts and even construction pits. These are not animals trying to attack. They are animals trying to survive.”

According to him, the real crisis is not the crocodile—it is the loss of wetlands, the destruction of natural river buffers, and the pollution of river systems.

“When you fill a marsh, block a canal, or replace vegetation with concrete, you force wildlife into narrower corridors. During floods, these become conflict hotspots.”

Arm attacked by a crocodile (Photo – Anslem de Silva)

The leg is the part of the body most often targeted. (Photo – Anslem de Silva)

Past research by the Crocodile Specialist Group shows that more than 300 crocodiles have been killed in retaliation or for meat over the past decade. Such killings spike after major floods, when fear and misunderstanding are highest.

“Not monsters—ecosystem engineers” — Suranjan Karunaratne

On social media, flood-displaced crocodiles often go viral as “rogue beasts.” But conservationist Suranjan Karunaratne, also of the IUCN/SSC Crocodile Specialist Group, says such narratives are misleading.

“Crocodiles are apex predators shaped by millions of years of evolution,” he says. “They are shy, intelligent animals. The problem is predictable human behaviour.”

In countless attack investigations, Karunaratne and colleagues found a repeated pattern: the Three Sames—the same place, the same time, the same activity.

“People use the same bathing spot every single day. Crocodiles watch, learn, and plan. They hunt with extraordinary patience. When an attack occurs, it’s rarely random. It is the culmination of observation.”

He stresses that crocodiles are indispensable to healthy wetlands. They: control destructive catfish populations, recycle nutrients, clean carcasses and diseased fish, maintain biodiversity, create drought refuges through burrows used by amphibians and reptiles.

“Removing crocodiles destroys an entire chain of ecological services. They are not expendable.”

Karunaratne notes that after the civil conflict, Mugger populations in the north rebounded—proof that crocodiles recover when given space, solitude, and habitat.

Nimal D. Rathnayake

Floods expose a neglected truth: CEEs save lives—if maintained In high-risk communities, Crocodile Exclusion Enclosures (CEEs) are often the only physical barrier between people and crocodiles. Built along riverbanks or tanks, these enclosures allow families to bathe, wash, and collect water safely.

Yet Dr. de Silva recounts a tragic incident along the Nilwala River where a girl was killed inside a poorly maintained enclosure. A rusted iron panel had created a hole just large enough for a crocodile to enter.

“CEEs are a life-saving intervention,” he says. “But they must be maintained. A neglected enclosure is worse than none at all.”

Despite their proven effectiveness, many CEEs remain abandoned, broken or unused.

Climate change is reshaping crocodile behaviour—and ours

Sri Lanka’s floods are no longer “cycles” as described in folklore. They are increasingly intense, unpredictable and climate-driven. The warming atmosphere delivers heavier rainfall in short bursts. Deforested hillsides and filled wetlands cannot absorb it.

Rivers swell rapidly and empty violently.

Crocodiles respond as they have always done: by moving to calmer water, by climbing onto land, by using drainage channels, by shifting between lagoons and canals, by following the shape of the water.

But human expansion has filled, blocked, or polluted these escape routes.

What once were crocodile flood refuges—marshes, mangroves, oxbow wetlands and abandoned river channels—are now housing schemes, fisheries, roads, and dumpsites.

Garbage, sand mining and invasive species worsen the crisis

The research contained in the uploaded reports paints a grim but accurate picture. Crocodiles are increasingly seen around garbage dumps, where invasive plants and waste accumulate. Polluted water attracts fish, which in turn draw crocodiles.

Excessive sand mining in river mouths and salinity intrusion expose crocodile nesting habitats. In some areas, agricultural chemicals contaminate wetlands beyond their natural capacity to recover.

In Borupana Ela, a short study found 29 Saltwater crocodiles killed in fishing gear within just 37 days.

Such numbers suggest a structural crisis—not a series of accidents.

Unplanned translocations: a dangerous human mistake

For years, local authorities attempted to reduce conflict by capturing crocodiles and releasing them elsewhere. Experts say this was misguided.

“Most Saltwater crocodiles have homing instincts,” explains Karunaratne. “Australian studies show many return to their original site—even if released dozens of kilometres away.”

Over the past decade, at least 26 Saltwater crocodiles have been released into inland freshwater bodies—home to the Mugger crocodile. This disrupts natural distribution, increases competition, and creates new conflict zones.

Living with crocodiles: a national strategy long overdue

All three experts—Dr. de Silva, Dr. Rathnayake and Karunaratne—agree that Sri Lanka urgently needs a coordinated, national-level mitigation plan.

* Protect natural buffers

Replant mangroves, restore riverine forests, enforce river margin laws.

* Maintain CEEs

They must be inspected, repaired and used regularly.

* Public education

Villagers should learn crocodile behaviour just as they learn about monsoons and tides.

* End harmful translocations

Let crocodiles remain in their natural ranges.

* Improve waste management

Dumps attract crocodiles and invasive species.

* Incentivise community monitoring

Trained local volunteers can track sightings and alert authorities early.

* Integrate crocodile safety into disaster management

Flood briefings should include alerts on reptile movement.

“The floods will come again. Our response must change.”

As the island cleans up and rebuilds, the deeper lesson lies beneath the brown floodwaters. Crocodiles are not new to Sri Lanka—but the conditions we are creating are.

Rivers once buffered by mangroves now rush through concrete channels. Tanks once supporting Mugger populations are choked with invasive plants. Wetlands once absorbing floodwaters are now levelled for construction.

Crocodiles move because the water moves. And the water moves differently today.

Dr. Rathnayake puts it simply:”We cannot treat every flooded crocodile as a threat to be eliminated. These animals are displaced, stressed, and trying to survive.”

Dr. de Silva adds:”Saving humans and saving crocodiles are not competing goals. Both depend on understanding behaviour—ours and theirs.”

And in a closing reflection, Suranjan Karunaratne says:”Crocodiles have survived 250 million years, outliving dinosaurs. Whether they survive the next 50 years in Sri Lanka depends entirely on us.”

For now, as the waters recede and the scars of the floods remain, Sri Lanka faces a choice: coexist with the ancient guardians of its waterways, or push them into extinction through fear, misunderstanding and neglect.

By Ifham Nizam



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Mannar’s silent skies: Migratory Flamingos fall victim to power lines amid Wind Farm dispute

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Victims: Flamingos / Birds found dead in Mannar

By Ifham Nizam

A fresh wave of concern has gripped conservationists following the reported deaths of migratory flamingos within the Vankalai Sanctuary—a globally recognised bird habitat—raising urgent questions about the ecological cost of large-scale renewable energy projects in the region.

The incident comes at a time when a fundamental rights petition, challenging the proposed wind power project, linked to India’s Adani Group, remains under examination before the Supreme Court, with environmental groups warning that the very risks they highlighted are now materialising.

At least two flamingos—believed to be part of the iconic migratory flocks that travel thousands of kilometres to reach Sri Lanka—were found dead after entanglement with high-tension transmission lines running across the sanctuary. Another bird was reportedly struggling for survival.

Professor Sampath Seneviratne, a leading ornithologist, expressed deep concern over the development, noting that such incidents are not isolated but indicative of a broader and predictable threat.

“These migratory birds depend on specific flyways that have remained unchanged for centuries. When high-risk infrastructure, like poorly planned power lines, intersect these routes, collisions become inevitable,” he said. “What we are witnessing now could be just the beginning if proper mitigation measures are not urgently implemented.”

Environmentalists argue that the Mannar region—particularly the Vankalai wetland complex—is one of the most critical stopover sites in South Asia for migratory waterbirds, including flamingos, pelicans, and various species of waders. The sanctuary’s ecological value has also supported a niche with growing eco-tourism sector, drawing birdwatchers from around the world.

Executive Director of the Centre for Environmental Justice, Dilena Pathragoda, said the incident underscores the urgency of judicial intervention and stricter environmental oversight.

“This tragedy is a direct consequence of ignoring scientifically established environmental safeguards. We have already raised these concerns before court, particularly regarding the location of transmission infrastructure within sensitive bird habitats,” Pathragoda said.

“Renewable energy cannot be pursued in isolation from ecological responsibility. If due process and proper environmental impact assessments are bypassed or diluted, then such losses are inevitable.”

Conservation groups have long cautioned that the installation of wind turbines and associated grid infrastructure—especially overhead transmission lines—within or near sensitive habitats could transform these landscapes into lethal zones for avifauna.

An environmental activist involved in the ongoing legal challenge said the latest deaths validate earlier warnings.

“This is exactly what we feared. Development is necessary, but not at the cost of biodiversity. When projects of this scale proceed without adequate ecological assessments and safeguards, the consequences are irreversible,” the activist stressed.

The debate has once again brought into focus the delicate balance between renewable energy expansion and biodiversity conservation. While wind energy is widely promoted as a clean alternative to fossil fuels, experts caution that “green” does not automatically mean “harmless.”

Professor Seneviratne emphasised that solutions do exist, including rerouting transmission lines, installing bird diverters, and conducting comprehensive migratory pathway studies prior to project approval.

“Globally, there are well-established mitigation strategies. The issue here is not the absence of knowledge, but the failure to apply it effectively,” he noted.

The timing of the incident is particularly worrying. Migratory flamingos typically remain in Sri Lanka until late April or May before embarking on their return journeys. Conservationists warn that if hazards remain unaddressed, larger flocks could face similar risks in the coming weeks.

Beyond ecological implications, experts also highlight potential economic fallout. Wildlife tourism—especially birdwatching—contributes significantly to local livelihoods in Mannar.

 Repeated reports of bird deaths could deter eco-conscious travellers and damage the region’s reputation as a safe haven for migratory species.

Environmentalists are now calling for immediate intervention by authorities, including a temporary halt to high-risk operations in sensitive zones, pending a thorough environmental review.

They stress that protecting animal movement corridors—whether elephant migration routes or avian flyways—is a fundamental pillar of modern conservation.

As the controversy unfolds, one question looms large: can Sri Lanka pursue sustainable energy without sacrificing the very natural heritage that defines it?

Pathragoda added that for now, the sight of fallen flamingos in Mannar stands as a stark reminder that development, if not carefully planned, can carry a heavy and irreversible cost.

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‘Weaponizing’ religion in the pursuit of power

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President Donald Trump; miscalculating in M-E / Ayatollah Khomeini; Architect of Iranian Revolution

A picture of US President Donald Trump apparently being prayed for by supporters, appearing in sections of the international media, said it all loud and clear. That is, religion is being flagrantly leveraged or prostituted by politicians single-mindedly bent on furthering their power aspirations.

Although in the case of the US President the trend took on may be an exceptionally graphic or dramatic form, the ‘weaponizing’ of religion is nothing particularly new, nor is it confined to only religiously conservative sections of the West. For example, in South Asia it is an integral part of politics. The ‘South Asian Eight’ are notorious for it and it could be unreservedly stated that in Sri Lanka, the latter’s ethnic conflict would be more amenable to resolution if religion was not made a potent weapon by ambitious politicians of particularly the country’s South.

The more enlightened sections of Christian believers in the US may not have been able to contain their consternation at the sight of the US President apparently being ‘blessed’ by pastors claiming adherence to Christianity. Any human is entitled to be blessed but not if he is leading his country to war without exhausting all the options at his disposal to end the relevant conflict by peaceful means.

More compounded would be his problem if his directives lead to the death of civilians in the hundreds. In the latter case he is stringently accountable for the spilling of civilian blood, that is, the committing of war crimes.

However, the US along with Israel did just that in the recent bombings of Iran, for instance. The majority of the lives lost were those of civilians. If the US President is endowed with a Christian conscience he would have paused to consider that he is guilty of ordering the taking of the life of another human which is forbidden in the teachings of Jesus Christ.

Moreover, the ‘pastors’ praying over the US President should have thought on the above lines as well. May be they were in an effort to curry the President’s favour which is as blame-worthy as legitimizing in some form the taking of civilian lives. Apparently, the realisation is not dawning on all Christian conservatives of the US that some of these ‘pastors’ could very well be the proverbial false prophets and the latter are almost everywhere, even in far distant Sri Lanka.

However, the political reality ‘on the ground’ is that the Christian Right is a stable support base of the Republican Right in the US. Considering this it should not come as a surprise to the seasoned political watcher if the Christian Right, read Christian fundamentalists, are hand-in-glove, so to speak, with President Trump. But it is a scathing indictment on these rightist sections that they are all for perpetrating war and destruction and not for the fostering of peace and reconciliation. Ideally, they should have impressed on their President the dire need to make peace.

That said, political commentators should consider it incumbent on themselves to point out that religion is being ‘weaponized’ in Iran as well. Theocratic rule in Iran has been essentially all about perpetuating the power of the clerical class. The reasons that led to the Islamic Revolution in Iran are complex and the indiscreet Westernization of Iran under the Shah dynasty is one of these but one would have expected Iran to develop from then on into a multi-party, pluralistic democratic state where people would be enjoying their fundamental rights, as enshrined in the Universal Declaration of Human Rights, for example.

Moreover, Iran should have taken it upon itself to be a champion of world peace, in keeping with its Islamic credentials. But some past regimes in Iran had vowed to virtually bomb Israel out of existence and such regional policy trajectories could only bring perpetual conflict and war. Considering the current state of the Middle East it could be said that the unfettered playing out of these animosities is leading the region and the world to ‘reap the whirlwind’, having recklessly ‘sowed the wind’.

However, religious fundamentalism-inspired conflict and war has spread well beyond the Middle East into almost every region since 1979, the year of the Islamic Revolution in Iran. So much so, knowledgeable opinion now points out that religious identity has come to replace nationalism as a principal shaper of international politics or “geopolitics”, as quite a few sections misleadingly and incorrectly term it.

Elaborating on the decisive influence of religious identity, the well known and far traveled Western journalist Patrick Cockburn says in his authoritative and comprehensive book titled, ‘The Age of Jihad – Islamic State and the Great War for the Middle East’ at page 428 in connection with the war in Chechnya ; ‘If nationalism was not entirely dead, it no longer provided the ideological glue necessary to hold together and motivate people who were fighting a war. Unlike the Islamic faith, it was no longer a belief or a badge of identity for which people would fight very hard.’ (The book in reference was published by VERSO, London and New York).

In his wide coverage of Jihadist Wars the world over Cockburn goes on to state that today a call from a cleric could motivate his followers to lay down no less than their lives for a cause championed by the former. The 9/11 catastrophe alone should convince the observer that this is indeed true.

However, as often pointed out in this column, there is no alternative but to foster peace and reconciliation if a world free of bloodshed and strife is what is being sought. Fortunately we are not short of illustrious persons from the East and West who have shone a light on how best to get to a degree of peace. Besides Mahatma Gandhi of India, who was the subject of this column last week, we have former President of Iran Mohammad Khatami, who made a case for a ‘Dialogue of Civilizations’ rather than a ‘Clash of Civilizations’.

The time is more than ripe to take a leaf from these illustrious personalities, for, the current state of war in the Middle East has raised the possibility of a war that could transcend regional boundaries. The antagonists are obliged to exhaust all the peaceful options with the assistance of the UN system. Besides, war cannot ever have the blessings of the sane.

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Venerable Rahula Thera’s 35-year green mission and national Namal Uyana

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Venerable Rahula Thera

It was 35 years ago, on March 28, 1991, that Venerable Rahula Thera, then a young monk, embarked on a journey to the Na forest in Ulpathagama, Palagama, in the Anuradhapura District. Today, three and a half decades later, this mission stands as living proof of the enduring bond between Buddhist philosophy and the natural world.

Marking the 35th year of this green mission, Rahula Thera’s relentless dedication has transformed the National Namal Uyana into an environmental landmark admired not only across Sri Lanka but around the globe, as well.

When studying the life of Venerable Rahula Thera, one cannot ignore the profound connection between Buddhism and the environment. Buddhism is a philosophy deeply attuned to nature. The historical use of the sacred “Na Ruka” by all four Buddhas: Mangala Buddha, Sumana Buddha, Revata Buddha, and Sobhita Buddha — for enlightenment —demonstrates that from time immemorial, Buddhism has maintained a sacred bond with the Na tree. From the birth of Siddhartha to his enlightenment, the propagation of the Dharma, and even the great Parinirvana, all of these milestones unfolded in verdant, living landscapes.

Venerable Rahula Thera did not embark on the Namal Uyana mission seeking government support or personal gain. His commitment sprang from a deep devotion to the Buddha’s teachings on grove cultivation. A grove cultivator is one who spreads compassion for nature. As the Vanaropa Sutta teaches:

Venerable Rahula Thera reclaimed Namal Uyana which was then under the control of timber smugglers and treasure hunters. The term “Wanawasi” does not merely mean living in a forest; it signifies finding rest and enlightenment through nature, free from the destructive roots of greed, sin, and delusion.

Another defining aspect of Venerable Rahula Thera’s 35-year mission is the purification of the human mind. He has consistently taught the thousands who visit Namal Uyana that a person who loves a tree will never harm another human being. As the Dhamma proclaims:

It is important to remember that Venerable Rahula Thera devoted his life, without fear, speaking the truth and taking necessary action, tirelessly advancing the national mission he began. From 1991 to the present, he has worked with every government elected by the people, maintaining impartiality and independence from political ideology. Yet, he never hesitated to raise his voice fearlessly against any individual, of any rank or party, who committed wrongdoing.

Religious and Social Mission

The National Namal Uyana is not merely a forest; it is a magnificent heritage site, dating back to ancient times. Scattered across the landscape are boundary walls, the remains of ancient monastery complexes, and stone carvings believed to date back to the reign of King Devanampiyatissa. In earlier centuries, this sacred land had served as a meditation sanctuary for hundreds of monks. The name “National Namal Uyana,” by which this ecological and archaeological treasure is known today, was introduced by Venerable Rahula Thera in 1991. The government’s later recognition of the site as the National Namal Uyana stands as a significant achievement for both religion and national heritage.

Venerable Rahula Thera is a monk who has lived a life of renunciation. A striking example of this is his decision not to assume the position of Chief Incumbent of the National Namal Uyana Viharaya, instead entrusting the temple to the Ramanna Nikaya and its trustees. In doing so, he set a precedent for the contemporary Sangha. The Thera himself stated that he was merely the trustee of Namal Uyana, not its owner.

Legacy and Continuing Inspiration

The 35th anniversary of Venerable Wanawasi Rahula Thera’s arrival at Namal Uyana is not merely the commemoration of a period of time; it is a message of nature to future generations. Through his work, the Thera revived the ancient Hela tradition of loving trees and venerating the environment as something sacred. This religious and environmental mission remains unforgettable.

The revival experienced by Namal Uyana, after the arrival of Venerable Wanawasi Rahula Thera, is beyond simple description. Some of the major accomplishments achieved under his leadership include:

* Securing and protecting the largest Rose Quartz (Rosa Thirivana) reserve in South Asia.

* Restoring the Na forest spread across hundreds of acres, providing shelter to numerous rare plants and animal species.

* Transforming the area into a living centre for environmental education, offering practical learning experiences for thousands of schoolchildren and university students.

* Drawing the attention of world leaders and international environmentalists to Sri Lanka’s unique environmental heritage.

In recognition of his immense contribution to environmental conservation, Venerable Rahula Thera was honoured with the Presidential Environment Award and the Green Award in 2004—a significant moment in his life. Yet the Thera himself has always remained devoted to the work rather than the recognition it brings, making such appreciation even more meaningful.

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