Add Yahoo as a preferred source to see more of our stories on Google. Huge hippo charging at three lion brothers in the evening light. Wild animals in the nature ...

When people think of the world's great big cats, lions and jaguars often come to mind for very different reasons. One rules vast African grasslands in large social groups, while the other moves ...

Lions are ambush predators that use vegetation to hide, so the researchers said this finding was surprising. "Sometimes, if the vegetation is really dense, lions aren't able to hunt as successfully," ...

I. The study -- 1. Introduction -- 2. The Serengeti region -- 3. Study methods -- II. The lion -- 4. Group structure and movements -- 5. Behavior within the group -- 6. Population dynamics -- 7. Food ...

Evaluation of the main hypotheses proposed for the causes of decline and failure to recover of the western Steller sea lion population depends on understanding how food web linkages affect sea lions.