The number of birds in America's grasslands and shorelines has declined by a third in the last 50 years, according to a new report. But birds are staging a comeback in wetlands.

Birds, with their different shapes, ... In the European Union, a 2021 study of 378 species estimated that bird numbers fell by as much as 19 percent from 1980 to 2017.

Research from Washington University in St. Louis says that bird wing shape—a proxy for long-distance flying ability—is a ...

In the race to save birdlife around the world, time is running out—and doing everything right still won’t be enough. Despite ...

Climate change and habitat loss could cause more than 500 bird species to go extinct in the next 100 years, researchers from ...

Bird wing shape -- a proxy for long-distance flying ability, or dispersal -- is a trait that influences biodiversity patterns on islands around the world, according to biologists.

Photos shared to social media claim to depict a swarm of starlings flying through the air often, incredibly, in the shape of a bird. One such photograph, for example, was shared on Reddit in 2019 ...

A new study details the evolutionary change of Anna's Hummingbirds, finding their beaks have grown longer and more tapered to get the most from common feeders.

Which shape is better for a particular species may depend on a variety of factors, such as the type of nest or the number of eggs. But one relationship seemed to be consistent within the various ...

Just about anywhere you look, there are birds. Penguins live in Antarctica, ptarmigan in the Arctic Circle. Rüppell’s vultures soar higher than Mt. Everest. Emperor penguins dive deeper than ...