News tagged with american bird species

Parasite arms race spurs color change in bird eggs

The eggs laid by two African bird species have evolved different color patterns over a period of just 40 years, according to new research published in The American Naturalist. The quick change appears to be ...

Biology / Plants & Animals

created Apr 16, 2012 | popularity 5 / 5 (6) | comments 0 | with audio podcast

Bird ranges shift north, but not as fast as climate

(PhysOrg.com) -- As warmer winter temperatures become more common, one way for some animals to adjust is to shift their ranges northward. But a new study of 59 North American bird species indicates that doing ...

Biology / Ecology

created Mar 28, 2012 | popularity 4.8 / 5 (6) | comments 4

Climate change affects bird migration timing in North America

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

created Feb 22, 2012 | popularity 4.2 / 5 (6) | comments 2

Winged predators seek certain trees when foraging for caterpillars

Location matters for birds on the hunt for caterpillars, according to researchers at UC Irvine and Wesleyan University. Findings suggest that chickadees and others zero in on the type of tree as much as the characteristics ...

Biology / Plants & Animals

created Jan 26, 2012 | popularity not rated yet | comments 0

Birds Move North with Climate Change

Researchers at the SUNY College of Environmental Science and Forestry (ESF) have documented that a variety of North American bird species are extending their breeding ranges to the north, adding to concerns about climate ...

Biology /

created Feb 25, 2009 | popularity 5 / 5 (1) | comments 0