Arctic seals are being pushed closer to extinction by climate change and more than half of bird species around the world are declining under pressure from deforestation and agricultural expansion, according to an annual assessment from the International Union for Conservation of Nature.
One bright spot is green sea turtles, which have recovered substantially thanks to decades of conservation efforts, the IUCN said Friday as it released its latest Red List of Threatened Species.
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FILE - Green sea turtles (Chelonia mydas) make their way into the ocean upon their release at Kuta beach, Bali, Indonesia, Jan. 8, 2022. (AP Photo/Firdia Lisnawati, File)
FILE - Researchers from the Aruana Project measure a green sea turtle after capturing it temporarily at a feeding site on Itaipu Beach in Niteroi, Brazil, May 24, 2023. (AP Photo/Silvia Izquierdo, File)
FILE - A hooded seal is released March 30, 2008, by the University of New England's Marine Animal Rehabilitation Center in Biddeford, Maine. (AP Photo/Joel Page, File)
FILE - A Pacific green sea turtle swims near Fernandina Island, Ecuador in the Galapagos on June 8, 2024. (AP Photo/Alie Skowronski, File)
FILE - A male harp seal makes his way down the sands of Blue Shutters Beach in Charlestown, R.I., after being release by Mystic Aquarium's Marine Animal Rescue Team on April 23, 2015. (Sean D. Elliot/The Day via AP, File)
While many animals are increasingly at risk of disappearing forever, the updated list shows how species can come back from the brink with dedicated effort, Rima Jabado, deputy chair of the IUCN Species Survival Commission, told The Associated Press.
“Hope and concern go hand in hand in this work,” Jabado wrote by email. “The same persistence that brought back the green sea turtle can be mirrored in small, everyday actions — supporting sustainable choices, backing conservation initiatives, and urging leaders to follow through on their environmental promises.”
The list is updated every year by teams of scientists assessing data on creatures around the world. The scope of the work is enormous and important for science, said Andrew Farnsworth, a visiting scientist at the Cornell Lab of Ornithology who studies bird migration and wasn't involved with the IUCN report.
“Every time one is done and every time there’s revision, there’s more information, and there’s more ability to answer questions” on species, some of which are still largely a mystery to researchers, Farnsworth said.
Because all the marine mammals native to the Arctic — seals, whales and polar bears — rely on the habitat provided by sea ice, they're all at risk as it diminishes because of human-caused climate change, said Kit Kovacs, co-chair of IUCN’s Species Survival Commission Pinniped Specialist Group, which focuses on seals.
The three species highlighted in the latest IUCN report — harp, hooded and bearded seals — have been moved up to a designation of greater concern in the latest update, indicating they are increasingly threatened by extinction, Kovacs said.
The same melting of glaciers and sea ice destroying seal habitats also “generally will bring escalation in extreme weather events, which are already impacting people around the globe,” wrote Kovacs.
“Acting to help seals is acting to help humanity when it comes to climate change,” Kovacs said.
The update also highlighted Madagascar, West Africa and Central America, where Schlegel’s asity, the black-casqued hornbill and the tail-bobbing northern nightingale-wren were all moved to near-threatened status. Those are three specific birds in trouble, but numbers are dropping for around three-fifths of birds globally.
Deforestation of tropical forests is one of a “depressing litany of threats” to birds, a list that includes agricultural expansion and intensification, competition from invasive species and climate change, said Stuart Butchart, chief scientist at BirdLife International.
“The fact that 61% of the world’s birds are declining is an alarm bell that we can’t afford to ignore,” Butchart said.
The annual U.N. climate summit will be held in November in Belem, Brazil, with much attention on the Amazon and the value of tropical forests to humans and animals. But Farnsworth, of Cornell, said he was “not so confident” that world’s leaders would take decisive action to protect imperiled bird species.
“I would like to think things like birds are nonpartisan, and you can find common ground,” he said. "But it's not easy.”
One success story is the rebound of green sea turtles in many parts of the world's oceans. Experts see that as a bright spot because it shows how effective human interventions, like legal protections and conservation programs, can be.
Still, "it’s important to note that conservation efforts of sea turtles can take decades before you realize the fruits of that labor,” said Justin Perrault, vice president of research at Loggerhead Marinelife Center in Juno Beach, Florida, who wasn't involved with the IUCN report.
The overall success with green sea turtles should be celebrated and used as an example with other species, some of which, like hawksbills and leatherbacks, aren't doing nearly as well, said Nicolas Pilcher, executive director of the Marine Research Foundation.
And even for green sea turtles, areas still remain where climate change and other factors like erosion are damaging habitats, Pilcher said, and some of those are poorer communities that receive less conservation funding.
But in the places where they have recovered, it's "a great story of, actually, we can do something about this,” Pilcher said. “We can. We can make a difference.”
Follow Melina Walling on X at @MelinaWalling and on Bluesky at @melinawalling.bsky.social.
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FILE - Green sea turtles (Chelonia mydas) make their way into the ocean upon their release at Kuta beach, Bali, Indonesia, Jan. 8, 2022. (AP Photo/Firdia Lisnawati, File)
FILE - Researchers from the Aruana Project measure a green sea turtle after capturing it temporarily at a feeding site on Itaipu Beach in Niteroi, Brazil, May 24, 2023. (AP Photo/Silvia Izquierdo, File)
FILE - A hooded seal is released March 30, 2008, by the University of New England's Marine Animal Rehabilitation Center in Biddeford, Maine. (AP Photo/Joel Page, File)
FILE - A Pacific green sea turtle swims near Fernandina Island, Ecuador in the Galapagos on June 8, 2024. (AP Photo/Alie Skowronski, File)
FILE - A male harp seal makes his way down the sands of Blue Shutters Beach in Charlestown, R.I., after being release by Mystic Aquarium's Marine Animal Rescue Team on April 23, 2015. (Sean D. Elliot/The Day via AP, File)
