Tag: morphology

January 11, 2019

For some hummingbirds, fighting outweighs feeding

Hummingbird bills are designed to draw nectar from flowers, but researchers have found that some male hummingbirds have developed bills better suited for stabbing their rivals. “It is all about...

December 13, 2017

Morphing mice respond to warming climate

Fifty years ago, two species of mice looked different than they do today, and the likely cause is the warmer winters they’re experiencing, according to new research. In the forested...