IUCN Reclassifies Penguins, Fur Seals as Endangered

The International Union for Conservation of Nature announced Wednesday that emperor penguins and Antarctic fur seals have been reclassified as endangered species, while southern elephant seals have been downgraded to vulnerable, highlighting the severe impacts of climate change on Antarctic wildlife.

The update to the IUCN Red List, based on satellite data, ground assessments and population modeling, attributes the declines primarily to warming ocean temperatures and shrinking sea ice. Emperor penguins, the largest penguin species standing up to three feet tall and weighing around 100 pounds, depend on stable fast ice anchored to shorelines for breeding, molting and feeding. Their chicks, lacking waterproof feathers for months, are particularly vulnerable when ice breaks prematurely, leading to mass drownings or hypothermia. The global population stands at about 595,000 breeding adults, down roughly 10 percent, or more than 20,000 individuals, between 2009 and 2018. Projections indicate the population could halve by the 2080s without substantial emissions reductions.

Specific incidents underscore the threat. In 2022, four of five known breeding sites in the Bellingshausen Sea...