Endangered Southern Resident killer whales prey on a diversity of Chinook and other salmon.

Since 1970, bird populations in North America have declined by approximately 2.9 billion birds, a loss of more than one in four birds. 

Low-income livestock farmers in developing countries are often faced with a difficult dilemma: protect their animals from endangered predators, or spare the threatened species at the expense of their livestock and livelihood.

Converting the ground under electrical transmission towers into spaces for wildlife can enable fragmented populations to connect with one another, increasing local biodiversity and providing animals around the globe an important tool for adapting to climate change, a new study found.

Anthropogenic noise pollution is plaguing our oceans and stressing marine fauna far more than previously understood, researchers concluded in a new analysis of more than 10,000 academic papers published in the journal Science.

A study published in Environmental Toxicology and Chemistry has found long-term impacts of the 2010 Deepwater Horizon oil spill in the northern Gulf of Mexico on bottlenose dolphins’ immune function. 

A study recently completed in Europe and North America indicates that the composition of wintering and breeding bird communities changes in line with global warming. 

“I spent 15 years removing cats from fenced reserves and national parks,” Katherine Moseby was saying. “And then, all of a sudden, I was putting them back in. It felt very strange to be doing that.”

Sawfish have disappeared from half of the world’s coastal waters and the distinctive shark-like rays face complete extinction due to overfishing, according to a new study by Simon Fraser University researchers, published in Science Advances.

One of the most abundant bats in Europe may be attracted to wind turbines, a new study shows.