Hummingbirds are fascinating little birds found all over the Americas. They are known for their beautiful colors, aerial ...

Migratory birds in V-formations master aerodynamic principles, using air currents from leading birds to conserve energy.

As Palo Alto officials prepare to adopt new rules to require bird-friendly building designs, some critics are urging the city to relax the rules for commercial structures.

Billions fewer birds are flying through North American skies than decades ago and their population is shrinking ever faster, ...

Researchers say there are billions of fewer birds than in 1987. The study links the strongest overall declines to regions ...

Long before humans walked the Earth, the skies of South America were ruled by a colossal bird. Argentavis magnificens, one of the largest flying birds ever discovered, had a wingspan so wide that it ...

A new study finds North American bird populations keep dropping, and that decline is accelerating for many species.

A new study finds North American bird populations keep dropping, and that decline is speeding up for many species.

Building a new bird house is great and all, but if you installed it without considering these important tips, you might have a perpetually empty nest.

Red kites, great spotted woodpeckers and pink-footed geese — these are only a few of the success stories, writes Mark Cocker.

A grassroots initiative to install LED lighting systems on downtown Columbia buildings is facing pushback from wildlife ...