Washington state and federal wildlife officials, tribes and a nonprofit are using new tools in an intensive research project ...

1. In seasonal environments, optimal onset of breeding and survival plays major roles in individual fitness. Many physiological and behavioural factors related to breeding increase the risk of ...

Fear of predation may play a role in pushing small populations of vulnerable species to extinction, a new Canadian study has found. That could have implications for almost any species that is prey, ...

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 ...

The fossil record seems to indicate that the diversity of marine creatures increased and decreased over hundreds of millions of years in step with predator-prey encounters. For decades, there has been ...

In the largest predation event ever recorded, researchers observed capelin shoaling off the coast of Norway, where a swarm of cod overtook them, consuming over 10 million fish in a few hours. The team ...

Research has confirmed killer whales were responsible for bite wounds on a dead white shark that washed up on a beach near Portland, Victoria. It is the first killer whale predation on a white shark ...