Evolution Diary

An 80-million-year-old fossil recently uncovered in the Gobi desert could be a key piece of the evolutionary puzzle of how massive dinosaurs gave rise to today’s comparatively tiny birds, paleontologists say. (…)

August 30, 2007—It’s a good thing this frog is small, because it doesn’t have much room to maneuver. (…)

August 30, 2007—Triggered by body heat, a remote camera recently captured this image of the elusive Chinese mountain cat at about 12,300 feet (3,750 meters) on the edge of the Tibetan Plateau in China’s Sichuan Province. (…)

In the September issue of The American Naturalist, Juan Carranza (Biology and Ethology Unit, University of Extremadura, Spain) and Javier Pérez-Barbería (Macaulay Institute, United Kingdom) offer a new explanation for why males of ungulate species subjected to intense competition are born with lower survival expectancies than females. (…)

Whole-genome transfer raises questions about evolution, sequencing
Scientists at the University of Rochester and the J. (…)