Latest Flight feather Stories
Why aren't birds larger? Fifteen-kilogram swans hold the current upper size record for flying birds, although the extinct Argentavis of the Miocene Epoch in Argentina is estimated to have weighed 70 kilograms, the size of an average human.
Experiments show that hummingbirds suffer few energy costs when they grow long tails.
The Standard-winged Nightjar (Macrodipteryx longipennis) is a species of bird that is a resident breeder in Africa from Senegal east to Ethiopia. It is found in dry savannah habitats, with some scrub. This bird is 7.9 to 9 inches long. This nightjar is relatively short-tailed, and lacks white in the wings or tail. The song is a churring trill. The adult male has a bizarre wing ornament during the breeding season, with a broad central flight feather on each wing. In normal flight, these...
- A person who stands up for something, as contrasted to a bystander who remains inactive.
- One of the upright handlebars on a traditional Inuit sled.