Some species of birds reproduce not by rearing their own young, but by handing that task on to adults of other species. Known as brood parasitism, this habit has been most thoroughly researched in the cuckoo. ...

Biology - Ecology

Apr 08, 2013 5 / 5 (2) 0

Red coloration—historically seen as costly in vertebrates—historically seen as costly in vertebrates—might represent some physiological benefit after all, according to research published in the journal Physiological an ...

Biology - Plants & Animals

Jan 28, 2013 3 / 5 (5) 6 |

Bird migration timing across North America has been affected by climate change, according to a study published Feb. 22 in the open access journal PLoS ONE.

Biology - Ecology

Feb 22, 2012 4.2 / 5 (6) 2

A new University of Colorado at Boulder study indicates North American barn swallows outperform their peers in reproduction -- the "currency" of evolutionary change -- by maintaining a positive balance of ...

Biology - Plants & Animals

Feb 24, 2010 5 / 5 (1) 0 |