Small birds almost overheat while feeding their young
Published 16 May 2018 Blue tits (Photo: Johan Nilsson) For decades, researchers have thought that access to food determined the brood size of birds. Now, biologists at Lund University in Sweden have discovered a completely new explanation: the body temperature of small birds can increase by more than 4°C to exceed 45°C when they are feeding their young. Larger broods would require more work, resul
https://www.lunduniversity.lu.se/article/small-birds-almost-overheat-while-feeding-their-young - 2025-04-05