A major new study published in the journal BioScience has revealed that more than 3,500 animal species across the globe are facing heightened risk of extinction due to the accelerating effects of climate change. The findings underscore how rising temperatures, habitat disruption, and shifting ecosystems are placing unprecedented pressure on biodiversity.
The research, led by scientists from Oregon State University in collaboration with international conservation experts, analyzed data on 70,814 species from 35 animal groups using criteria set by the International Union for Conservation of Nature (IUCN). Their assessment found that climate change is now considered a direct threat to at least 3,581 species, ranging from amphibians and reptiles to mammals and insects.
Among the most affected regions are tropical rainforests in Southeast Asia, coral reef ecosystems in the Pacific, and alpine environments in the Andes. Species like the Asian golden cat, snow leopards, various frog species, and numerous butterflies are now on track to decline or disappear without urgent intervention.
“Climate change is no longer a future threat—it’s a present danger to wildlife across every continent,” said Dr. Erika McDonald, lead author of the study. “We are seeing shifts in breeding patterns, food sources, and migration routes that many species simply cannot adapt to fast enough.”
The authors warn that current conservation efforts are not adequately addressing the scale or immediacy of climate-related biodiversity loss. They call for an integrated approach that combines emissions reductions with ecosystem-based adaptation, increased protected areas, and urgent funding for vulnerable species monitoring.
The study has prompted renewed calls from environmental groups and international bodies to prioritize biodiversity within climate policy frameworks ahead of the upcoming UN Biodiversity Conference in September.
