A new study published in the journal Nature Climate Change has unveiled a global early warning system capable of predicting which wildlife species are at risk from extreme heat months in advance. Researchers say the tool could help conservationists take rapid action to protect vulnerable animals as climate driven heat events become more frequent and intense.
The international team combined seasonal weather forecasts with species specific historical temperature limits to identify wildlife populations likely to face dangerous heat exposure. Using forecasts made in May 2024, the researchers predicted that more than 3,500 vertebrate species out of 30,585 assessed would be exposed to extreme temperatures. Among them were over 1,250 species already considered vulnerable, endangered, critically endangered or otherwise of conservation concern.
According to the study, regions expected to face the highest biodiversity risks included Mexico, Sub Saharan Africa and the Himalayan region. Researchers noted that early evidence suggests extreme heat exposure in some of these hotspots may already have negatively affected wildlife populations.
The warning system provides an average lead time of one to two months before extreme heat events occur. Scientists believe this advance notice could allow wildlife managers to implement emergency conservation measures such as monitoring vulnerable species, providing water resources, relocating animals where necessary, and improving habitat protection during dangerous heat periods.
The study highlights a growing concern among conservation experts that climate change is not only shifting ecosystems over decades but is also causing sudden extreme events capable of triggering rapid biodiversity losses. Researchers argue that traditional long term climate projections often offer limited guidance for immediate action, while near-term forecasting can help address urgent threats before they escalate.
The authors emphasized that extreme heat has already been linked to wildlife die-offs around the world including reports of monkeys, birds and other animals succumbing to record temperatures. As global temperatures continue to rise, the researchers say early warning systems could become an essential tool in biodiversity conservation efforts.
The study titled A Global Early Warning System for Predicting Exposure of Biodiversity to Extreme Heat was published on June 8, 2026, and was led by scientists from institutions including the University of Connecticut NASA’s Goddard Space Flight Center, the University of Cape Town and the National Autonomous University of Mexico.