Almost all animals eat living things, so in a sense most are predators. We normally restrict the term, though, to cases in which the animal chases and kills its prey. Nevertheless, the models we will ...

Caspian terns feeding on young fish have a significant impact on runs of steelhead in the Columbia River, new research suggests. Caspian terns feeding on young fish have a significant impact on runs ...

Woodland salamanders perform a vital ecological service in American forests by helping to mitigate the impacts of global warming. Woodland salamander predation on invertebrates indirectly affects the ...

Researchers used a wide-scale acoustic mapping technique to track capelin, left, and cod populations. In the largest predation event ever recorded, researchers observed capelin shoaling off the coast ...

This is a preview. Log in through your library . Abstract Before an animal can evaluate the benefits and costs associated with a particular behavior, it must first assess them. Since perfect ...