Tuesday, 7 February, 2012

Turkeys got help for 75 years from conservation agencies. Coyotes spread across half the country all on their own. Why have these animals succeeded? How have they changed the environment?

It’s one of the biggest puzzles of paleontology: Why did North America’s large mammals go extinct shortly after the glaciers melted about 15k years ago? New study suggests that hunters get the credit — or blame.

Giant crocodile relative raises question of why big animals go extinct faster. If an 11-meter croc can’t survive, what about a 2-meter Homo sapien?