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 ...
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 ...
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 ...
A few simple steps in your garden can make a big difference to help birds through cold weather... we asked expert birdwatcher ...
Hyenas are generalist predators (and scavengers) with a broad range of prey species. They are known for hunting (or scavenging) larger mammals such as antelopes and occasionally feed on smaller ...
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, ...
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 ...
Argentavis magnificens was so massive it should’ve stayed grounded. Yet, this giant prehistoric bird still ruled the skies of ...
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 ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果