Small birds are more energy-efficient than bats when flying. Researchers previously believed this was due to air resistance created by the bats' ears. However, biologists at Lund University in Sweden ...

In the winter, birds will likely come to your bird feeder in search of energy-dense food to stay warm. This addition will ...

ITHACA, N.Y. – Small birds have explored a wide variety of styles of flight, ranging from hovering hummingbirds to bounding sparrows to soaring swifts and swallows. A new Cornell University study ...

Argentavis magnificens was so massive it should’ve stayed grounded. Yet, this giant prehistoric bird still ruled the skies of ...

Scientists once believed birds relied only on flight, talons and socialization for survival. But this one proves otherwise: it uses chemistry. For most of modern biology, there was a widely accepted ...

We do this every day with domesticated species such as dogs or horses: They help us find something or carry us somewhere, and, in return, we provide them with food and shelter. In biological terms, ...

He put the bird headfirst into a black tube that sat on a tiny scale. He called out the weight (35.9 grams, or 1.2 ounces) to volunteer Peggy Sagan, who was writing information down on a chart. Junda ...

Japanese tits have previously been observed combining different calls into phrases to convey meanings. The birds may also use their wings to signal to their partner that they should enter the nest ...

A few months ago, I wrote a column about the largest birds in our area. It’s easy for everyday people to think of birds in everyday terms, dismissing sparrows and blackbirds as insubstantial and ...

Red backed shrikes migrate using a fixed schedule, flying in stages with little variation, showing that genetics guide bird migration.