'Weedy' Bird Species May Win As Temperatures Rise
Friday, June 19, 2009 - 09:14
in Biology & Nature
Climate change is altering North American winter bird communities in ways that models currently favored by ecologists fail to predict. Current distributions of animals among different climate zones suggest that, as habitats warm, numbers of species will increase and that those species will be smaller in size and restricted to narrower geographic ranges, but only one of those predictions has held for North American birds over the past quarter century.