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

Scientists tried for years to understand how a hummingbird tongue and beak works. Discover the fascinating ways these tiny ...

Do All Birds Sing? Before we get started on some of the more in depth questions, it’s a good idea to address some of the ...

A pigment that makes feathers and hair orange helps prevent cellular damage by removing excess cysteine from cells.

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 ...

Evolutionarily speaking, the ultimate goal of a lifeform is to reproduce and stave off extinction. Many plants and animals ...

Some penguins are wonderfully cooperative: they breed in predictable, accessible places, with tidy, well-defined colonies, ...

Many bird species take part in a dawn chorus. This is when the community of songbirds in a particular habitat sing intensively around sunrise ...

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.

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