For this installment of "From the Archives," we answer a reader question about the monk parakeets and grackles in Austin.

Birds are a barometer of the health of water sources, habitats, and air quality. A notable example is the use of canaries in ...

Birds need more energy to stay warm at this time of year, but they have fewer daylight hours in which to search for food ...

IN southern Brazil, a drink is never just a drink. A cuia, a customary drinking vessel, filled with chimarrão, the traditional Brazilian erva-mate infusion, is passed from hand to hand, opening a ...

Most people think of moths as small insects fluttering across porch lights, but some species greatly challenge that image.

Every animal with a brain needs sleep — and even a few without a brain do, too. Humans sleep, birds sleep, whales sleep and even jellyfish sleep.

What makes mountain birds sing at dawn – and why are they sometimes quiet? Ecologists explain Three species of the melodic ...

For every bird that becomes a pampered internet star, countless others are snatched from the wild to feed the illegal global ...

An unprecedented avian flu outbreak in Argentine Patagonia devastated a stable elephant seal colony, highlighting the rising threat of infectious disease to wildlife in a warming world.

Among the most beautiful things in life is probably listening to the lovely song of the birds early in the morning. But do ...

Some see squirrels as adorable, bushy-tailed creatures that run in circles around tree trunks before they finally race up ...