Climate change is prompting tree swallows to nest up to two weeks earlier in the spring, increasing their exposure to sudden cold snaps that hinder nestling growth and survival. However, individual variations in behavioral resilience among adult birds can dictate the survival rates of their offspring during these short-term temperature fluctuations.
#Ecology #EvolutionaryBiology #Ornithology #Climatology #sflorg
https://www.sflorg.com/2026/04/eco04062602.html