Related topics: fish · birds · insects · predators

The answer to keeping moose populations healthy? Wolves

Predators may keep prey populations healthy by acting as a selective force against genetic diseases. A new study found that wolves select adult moose based on age and osteoarthritis, a chronic disease that can be influenced ...

How do spiders hunt 'in unison'?

Within the 50,000 known species of spiders about 20 have developed a permanent social life characterized by a remarkable cooperation. Among these, one or two species hunt "in packs," such as the Anelosimus eximius spiders ...

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