Unprecedented heat mortality of Magellanic penguins

Katie Holt & P. Dee Boersma
Extreme weather events are becoming more frequent and severe, leading to an increase in direct, adverse thermoregulatory impacts to wildlife. Here we document an unprecedented, single day, heat-related mortality event of Magellanic penguins ( Spheniscus magellanicus ) at Punta Tombo, Chubut Province, Argentina, one of the largest breeding colonies for this species. We found 264 dead adults and 90 dead chicks in the breeding colony and along the beaches after recording the highest temperature in...
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