Killer whale populations are invading the Arctic, causing significant disruptions to an ecosystem already deeply affected by climate change. A team of McGill researchers has …

Whales are threatened by a variety of human activities off the West Coast of the United States, including fishing, ship traffic, and pollution. Overlap between …

A tiny rodent trims tall grasses so it can watch the skies for flying predators, new research shows. Brandt’s voles live in grassland in Inner …

The number of hares in a forest is a good indicator of how healthy that ecosystem is — and now there’s a better way to …

Single individuals of Atlantic cod and squid occur much further north than previously expected. Scientists participating in the international MOSAiC expedition with research icebreaker Polarstern …

Ecologists estimate that 15 to 37% of plant and animal species will go extinct as a direct result of the rapidly changing climate. But new …

Human-caused bird extinctions are driving losses of functional diversity on islands worldwide, and the gaps they leave behind are not being filled by introduced (alien) …

Amphibians are bioindicators of an ecosystem’s health and may also serve as biological control of crop and forest pests. The First Herpetological Congress, organized in …

Certain invasive, non-native species can disrupt lakes to the point of rapid ecosystem collapse, contaminating water for drinking, aquaculture and recreation, a new study has …

A new system for sampling fragments of DNA from marine organisms drifting in the ocean is set to create new opportunities for research on biodiversity …