Phenotypic plasticity increases exposure to extreme climatic events that reduce individual fitness by Regan, CE, Sheldon, BC

Spatial variation in avian phenological response to climate change linked to tree health by Cole, EF, Regan, CE, Sheldon, BC

Shared environmental similarity between relatives influences heritability of reproductive timing in wild great tits by Jones, C, Regan, CE, Cole, E, Firth, JA, Sheldon, B

Social phenotype-dependent selection of social environment in wild great and blue tits: an experimental study by Regan, CE, Beck, KB, McMahon, K, Crofts, S, Firth, JA, Sheldon, BC