A single severely dry winter temporarily, but dramatically, altered the ranges of three fishes — Chinook salmon, coho salmon, and steelhead trout — in California’s northern waterways.

A new study led by McGill University researchers indicates that humpback whales in the southeastern Pacific combine real-time environmental cues with their memories of conditions in their Antarctic feeding grounds to determine when to embark on their annual 10,000-kilometre journey.

Buzzing insects may be seen as pests – but globally, hundreds of fly species migrate over long distances, with major benefits for people and nature, new research shows.

A sea lion sickened by toxic algae attacked a teenage girl in Long Beach, California, on Sunday, the latest episode of erratic behavior from affected animals.

Climate change could pose a dual threat to native species by reducing their suitable habitats and increasing predation pressure from non-native species, a new study(Link is external) by Oregon State University researchers finds.

Spotted seals in some of the most remote marine areas around Alaska are consuming significant amounts of microplastics in their diets, according to a new University of Alaska Fairbanks–led study.

Mountaintops contain many of the world’s most diverse clusters of butterfly species, according to a new study. 

The introduction of exotic species can pose significant challenges in the sustainable management of coastal ecosystems, yet Flinders University researchers have found that Pacific oysters introduced to the Port River in Adelaide have influenced surprising benefits.

A new study published in the journal Frontiers in Marine Science, has uncovered evidence of far-reaching ecosystem consequences following the disappearance of Great white sharks (Carcharodon carcharias) from False Bay, South Africa.

Study reveals for the first time the lipidome composition of mesoscale eddies and their precise role in nutrient transport and the carbon cycle.