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Wildfire burns Brazil's largest wetlands, killing thousands of wild animals

ABC News logo ABC News 9/15/2020
a group of clouds in the dark: Smoke from a fire rises into the air as trees burn amongst vegetation in the Pantanal, the world's largest wetland, in Pocone, Mato Grosso state, Brazil, Sept. 3, 2020. © Amanda Perobelli/Reuters Smoke from a fire rises into the air as trees burn amongst vegetation in the Pantanal, the world's largest wetland, in Pocone, Mato Grosso state, Brazil, Sept. 3, 2020.

A fire has been burning since mid-July in the remote wetlands of west-central Brazil, leaving in its wake a vast, charred desolation bigger than New York City.

A team of veterinarians, biologists and local guides arrived in late August to prowl the bumpy dirt road known as the Trans-Pantanal Highway in pickup trucks, looking to save what injured animals they could.

a person riding on the back of a fire: Sebastiao Baldi Silva Junior, 40, who works on a farm, attempts to put out a fire on a ranch in the Pantanal, the world's largest wetland, in Pocone, Mato Grosso state, Brazil, Aug. 26, 2020. © Amanda Perobelli/Reuters Sebastiao Baldi Silva Junior, 40, who works on a farm, attempts to put out a fire on a ranch in the Pantanal, the world's largest wetland, in Pocone, Mato Grosso state, Brazil, Aug. 26, 2020.

Jaguars were wandering the blackened wasteland, they said, starving or going thirsty, with paws burnt to the bone and lungs blackened by smoke. They saw bodies of alligator-like caiman, jaws frozen in silent screams, the last act of creatures desperate to cool off before being consumed by flames.

This massive fire is one of thousands of blazes sweeping the Brazilian Pantanal -- the world's largest wetland -- this year, in what climate scientists fear could become a new normal, echoing the rise in climate-driven fires from California to Australia.

a hand holding a knife: Isabella Cristina Pereira Britto, a veterinary student, and Eduarda Fernades, a local guide, inspect a dead snake in an area that was burnt in a fire in the Pantanal, the world's largest wetland, in Pocone, Mato Grosso state, Brazil, Aug. 31, 2020. © Amanda Perobelli/Reuters Isabella Cristina Pereira Britto, a veterinary student, and Eduarda Fernades, a local guide, inspect a dead snake in an area that was burnt in a fire in the Pantanal, the world's largest wetland, in Pocone, Mato Grosso state, Brazil, Aug. 31, 2020.

The Pantanal is smaller and less known than its famous cousin, the Amazon jungle. But the region's normally abundant waters and strategic location -- sandwiched between the rainforest, Brazil's vast grasslands and Paraguay's dry forests -- make it a magnet for animals.

The fires are now threatening one of the most biodiverse ecosystems on the planet, biologists say. The Pantanal is home to roughly 1,200 vertebrate animal species, including 36 that are threatened with extinction. Across this usually lush landscape of 150,000 square kilometers (57,915 square miles) in Brazil, rare birds flutter and the world's densest population of jaguars roam.

Fire is not new here. For decades, ranchers have used flames to cheaply return nutrients to the soil and renew pasture for their beef cattle. But those blazes, fueled by drought, now burn with historic force, racing across desiccated vegetation. The biggest fires in the Pantanal this year are quadruple the size of the largest fire in Brazil's Amazon rainforest, NASA satellites show.

a bird standing on a dry grass field: A dead caiman is pictured in an area that was burnt in a fire in the Pantanal, the world's largest wetland, in Pocone, Mato Grosso state, Brazil, Aug. 31, 2020. © Amanda Perobelli/Reuters A dead caiman is pictured in an area that was burnt in a fire in the Pantanal, the world's largest wetland, in Pocone, Mato Grosso state, Brazil, Aug. 31, 2020.

A record 23,490 square kilometers have burned through Sept. 6: nearly 16% of the Brazilian Pantanal, according to a Federal University of Rio de Janeiro analysis.

Last month, Reuters witnessed a fire that flashed from forest to pasture near the tourist gateway of Poconé in Brazil's Mato Grosso state. The rush of air sucked in by the blaze spun a strong wind into a tornado of smoke. The temperature on the ground soared to 46.5 Celsius (115.7 Fahrenheit).

A tree burns in a fire in the Pantanal, the world's largest wetland, in Pocone, Mato Grosso state, Brazil, Aug. 29, 2020. © Amanda Perobelli/Reuters A tree burns in a fire in the Pantanal, the world's largest wetland, in Pocone, Mato Grosso state, Brazil, Aug. 29, 2020.

Dorvalino Conceição Camargo, a 56-year-old farmhand in a straw hat common among local cowboys, helped beat back the flames.

Sweating from the effort, Camargo said he had never seen fires this bad. "Everything is suffering," he said.

THE FLOODS NEVER CAME

The Pantanal is known for being wet, not dry. The world's largest flood plain normally fills with several feet of water during the rainy season from around November to April each year.

Camargo recalled navigating the waters as a child in boxy canoes. Back on the ranch where he works, he showed the farm's high-water mark -- 70 centimeters (2.3 feet) off the ground -- hewn into the post of a cattle corral. Even in a dry year it's typically about half that, he said.

This year, the floods never came. Only a little bit of water pooled in a ditch nearby, he said. Now, as water evaporates in the dry season, the Paraguay River that traverses the Pantanal has receded to its lowest point since 1973, according to Julia Arieira, a climate researcher at Brazil's Federal University of Espirito Santo.

a view of a city at night: A firefighter holds a hose as he attempts to extinguish a fire on a ranch in the Pantanal, the world's largest wetland, in Pocone, Mato Grosso state, Brazil, Aug. 26, 2020. © Amanda Perobelli/Reuters A firefighter holds a hose as he attempts to extinguish a fire on a ranch in the Pantanal, the world's largest wetland, in Pocone, Mato Grosso state, Brazil, Aug. 26, 2020.

Scientists blame the drought on warming in the Atlantic Ocean just above the equator that's drawing moisture away from South America and will send it north, likely in the form of stronger hurricanes.

NASA scientist Doug Morton said this phenomenon is caused by shifts in ocean temperature known as the Atlantic Multidecadal Oscillation -- the Atlantic Ocean's equivalent of El Niño in the Pacific. Unlike El Niño, which typically happens every two to seven years, the oscillation alternates between hot and cold roughly every 30-40 years.

When it runs hot -- as it has been since the 1990s -- the warming in the tropical North Atlantic is more likely to occur, contributing to South American droughts and fires.

a steam engine on a train track with smoke coming out of it: Firefighters from the State of Mato Grosso fill their truck with water as they prepare to extinguish a fire in front of a smoke funnel, on a farm in the Pantanal, the world's largest wetland, in Pocone, Mato Grosso state, Brazil, Aug. 28, 2020. © Amanda Perobelli/Reuters Firefighters from the State of Mato Grosso fill their truck with water as they prepare to extinguish a fire in front of a smoke funnel, on a farm in the Pantanal, the world's largest wetland, in Pocone, Mato Grosso state, Brazil, Aug. 28, 2020.

Changing ocean temperatures are "a likely driver of the dry conditions we've seen so far this year in the Pantanal," said Morton, who leads NASA's biospheric sciences lab.

Morton said the warm spot could also be contributing to more dryness in the southern part of the Amazon -- where fires likely hit a 10-year high in August -- and in Argentina's wetlands, where the blazes are the worst since 2009.

More worrying still, Morton is concerned global warming could disrupt the oscillation and leave it permanently in the warm phase, contributing to more fires.

Even if that does not happen, scientists fear global temperature increases on their own would make vast burning ever more common.

a plane flying in the air with smoke coming out of it: An aerial view shows smoke rising into the air around the Cuiaba river in the Pantanal, the world's largest wetland, in Pocone, Mato Grosso state, Brazil, Aug. 28, 2020. © Amanda Perobelli/Reuters An aerial view shows smoke rising into the air around the Cuiaba river in the Pantanal, the world's largest wetland, in Pocone, Mato Grosso state, Brazil, Aug. 28, 2020.

Destruction of the Amazon rainforest to the north is exacerbating drought in the Pantanal over the long term, said Philip Fearnside, an ecologist at Brazil's National Institute of Amazonian Research. That's because jungle trees recycle rain and push the moisture back into the air as water vapor, which winds then carry to neighboring regions in so-called flying rivers.

Amazon deforestation has surged 34.5% in the 12 months through July, compared to the same period a year ago, according to preliminary data from government space research agency Inpe.

Under far-right President Jair Bolsonaro, Brazil has also weakened environmental enforcement.

Bolsonaro's press office directed questions to the Environment Ministry, which did not respond to ABC News' request for comment.

a man flying through the air while riding a bike down a dirt road: Dorvalino Conceicao Camargo, 56, who works on a ranch, attempts to put out a fire with a tree branch in the Pantanal, the world's largest wetland, in Pocone, Mato Grosso state, Brazil, Aug. 28, 2020. © Amanda Perobelli/Reuters Dorvalino Conceicao Camargo, 56, who works on a ranch, attempts to put out a fire with a tree branch in the Pantanal, the world's largest wetland, in Pocone, Mato Grosso state, Brazil, Aug. 28, 2020.

Environment Minister Ricardo Salles visited the Pantanal in August, saying that federal environmental agencies had sent five aircraft and additional workers to assist the more than 100 state firefighters battling the blazes.

"The fires are causing great damage to fauna, flora and to the Pantanal region," Salles said.

DEAD ANIMALS

No humans have died in the Pantanal fires, according to Mato Grosso state firefighting Lieutenant Colonel Jean Oliveira, who has been leading all government agencies in the fire response. But, local media on Thursday reported one fatality in the state.

Wildlife, though, has been hit very hard, Oliveira said.

a small brown animal in the water: A giant otter eats a fish as it swims in the Cuiaba River, amongst smoke from a fire, inside Encontro das Aguas State Park, in the Pantanal, the world's largest wetland, in Mato Grosso state, Brazil, Sept. 3, 2020. © Amanda Perobelli/Reuters A giant otter eats a fish as it swims in the Cuiaba River, amongst smoke from a fire, inside Encontro das Aguas State Park, in the Pantanal, the world's largest wetland, in Mato Grosso state, Brazil, Sept. 3, 2020.

While there aren't exact counts, thousands of animals have perished, according to biologist Rogério Rossi of the Federal University of Mato Grosso.

The roving veterinary team is able to save only a tiny fraction of the injured animals. Many of these creatures are difficult to catch, as they live far from accessible roads.

Veterinarian Jorge Salomão Jr. rattled off an inventory of the carnage.

"We've seen a lot of dead animals, mainly reptiles, serpents, caimans," he said. "We've seen a lot of dead deer, dead tapirs, dead monkeys, dead coati (a cousin of North American raccoons)."

a man standing next to a bowl of water: Carlos Augusto Rodrigues, 35, gives Rafael Silva, 16, a bottle filled with water to help put out a fire on a ranch in the Pantanal, the world's largest wetland, in Pocone, Mato Grosso state, Brazil, Aug. 28, 2020. © Amanda Perobelli/Reuters Carlos Augusto Rodrigues, 35, gives Rafael Silva, 16, a bottle filled with water to help put out a fire on a ranch in the Pantanal, the world's largest wetland, in Pocone, Mato Grosso state, Brazil, Aug. 28, 2020.

In the burned expanse of 1,347 square kilometers (520 square miles) near the town of Poconé, dead snakes are seen every few meters.

Local guide Eduarda Fernandes, who is working with the rescue team, wandered the area, feet sinking into the deep soot.

a herd of cattle walking down a dirt road: Carlos Augusto Rodrigues, 35, separates cattle with the help of his friend Idalino Menino Pereira, 53, on the ranch where Rodrigues works, in the Pantanal, the world's largest wetland, in Pocone, Mato Grosso state, Brazil, Sept. 1, 2020. © Amanda Perobelli/Reuters Carlos Augusto Rodrigues, 35, separates cattle with the help of his friend Idalino Menino Pereira, 53, on the ranch where Rodrigues works, in the Pantanal, the world's largest wetland, in Pocone, Mato Grosso state, Brazil, Sept. 1, 2020.

She picked up a snake petrified in the fire. It had bitten its own flesh, in what a biologist said was likely an involuntary reaction as it sought any escape from the pain of being burned alive.

Asked what she thought happened, Fernandes responded, "Pain. Despair."

Reporting by Jake Spring for Reuters.

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