Insights on hummingbird travel, life span revealed

Nov 14, 2014

Insights on hummingbird travel, life span revealed

Hummingbirds are giving up some of their secrets. The perfecting of placing tiny numbered bands on their legs in the last decade has led researchers to discover hummingbirds can live longer than 10 years as opposed to the two or three once thought likely. ...

Chimpanzee study reveals the value of being an ape bully

Nov 14, 2014

Chimpanzee study reveals the value of being an ape bully

For male chimpanzees, there may be a benefit to being a bully. Scientists said Thursday a study of chimpanzees in Tanzania spanning 17 years found that males that subjected females to long-term aggressive behavior, often including physical attacks, greatly improved their chances of fathering ...

For huge ancient kangaroos, hopping was dicey

Oct 16, 2014

For huge ancient kangaroos, hopping was dicey

Kangaroos hop, right? Well, not all of them. Scientists said that a biomechanical and statistical analysis of fossil bones of a group of huge extinct kangaroos shows that the largest of the bunch likely could not hop as their modern-day relatives do. The study, ...