Removing road-killed animals that can lead to golden eagles getting hit by cars could help offset the number of birds wind turbines kill.

Some birds that live year round in big cities have eyes that are about 5% smaller. Researchers say bright lights may be the cause.

Vocal learning, problem solving, and brain size among some birds may have evolved in tandem, perhaps as a way to increase biological fitness.

Light pollution at night may lower survival for two backyard bird species. But for one, the American robin, it's the opposite.

Dune restoration could increase the resilience of Southern California's urban beaches to sea level rise, report researchers.

A rodenticide, a neurotoxicant called bromethalin, can bioaccumulate in birds of prey, new findings show.

Some migratory birds seek the same weather conditions all year long to avoid the changing seasons. New research digs into how.

A new study clarifies the relationship between temperatures and changes in the size of the body parts of animals.

Of the red-tailed hawks at a wildlife clinic, 100% showed exposure to anticoagulant rodenticides, a study finds.

"A warmer ocean... will result in the death of hundreds of thousands to millions of marine birds within one to six months of the temperature increase."