Early arrival gives bluebirds an edge in keeping nest sites
Wednesday, June 22, 2016 - 10:31
in Paleontology & Archaeology
Finders, keepers: Mountain Bluebirds are more likely to defend nest cavities against competition from other birds such as swallows if they get there first, but climate change may disrupt the migratory timing that lets them beat their rivals to the punch, according to new research.