By Brenden Bobby Reader Columnist Birds are fairly odd creatures, but among the odd are the oddest — strange and wacky evolutions that perfectly suit their ecological niche while appearing alien and ...
it would cost them roughly half as much energy as flapping Hummingbirds are one of nature’s most energetic fliers and the only birds to hover in the air by relying on their strength alone.
Is there not an error in the letter of NATURE (p. 312)? The writer there suggests, as it seems to me, that a bird could maintain a position of rest, with respect to ...
The male ruby-throated hummingbird does indeed have a striking red throat, though the female of the species does not. You would have to look quickly to see either, however, as these speedy little ...