Reuters | Latest Financial News / Full News Coverage
Reuters | Latest Financial News / Full News Coverage: "WASHINGTON (Reuters) - Fossils from extinct dogs show why bigger is not better -- giant meat-eating animals died out because they relied too heavily on hunting other big animals, scientists reported on Thursday.

Smaller, quicker carnivores could vary their diet more, hunting small rodents and mixing in berries, roots and other food sources, said Blaire van Valkenburgh and colleagues at the University of California Los Angeles."
- posted by Gp @ 10:40 PM