Owning a pet brings joy and responsibility. This guide details care for dogs, cats, birds, fish, and small animals.

Travis Audubon’s November bird forecast highlights ducks, including North America’s largest diving duck, the Canvasback.

European cuckoos lay very different eggs depending on the host species. Genetic analyses have revealed how this adaptation is inherited without leading to speciation.

Learn how the kildeer uses a distraction display to lead a predator away from the nest by faking a broken wing.

Escaped monkeys and rumors of disease in Mississippi raised worries about zoonotic infections that could harm people.

Penn State researchers say the invasive insect likely developed the natural defense by feeding on the tree of heaven.

For the first time, an unusual form of the coccidiosis-causing poultry parasite has been identified in the West Asian state.

Traffic noise is disrupting how tiny Australian birds communicate and defend their territories. Human-made sounds are ...

Cowbirds also closely follow livestock and catch insects disturbed by the large animals’ movements and feed upon seeds that ...

A unique long-term study, in which biological samples were collected from the same population of blue tits over a 30-year ...

He wanted to see how many different avians he could find on people’s hats. He counted 542 hats adorned with parts from 174 ...

You may be noticing more feathered friends passing through these days. That's because we're in migration season for a variety of birds. Be on the lookout for the purple finch, ruby-crowned kinglet and ...