Search results
Results from the WOW.Com Content Network
The ostrich is the only bird that has the didactyl foot. [2] Most birds have four toes, typically three facing forward and one pointing backward. [7] [10] [8] In a typical perching bird, they consist respectively of 3, 4, 5 and 2 phalanges. [2] Some birds, like the sanderling, have only the forward-facing toes; these are called tridactyl feet ...
Female foot color is also observed as an indication of perceived female condition. In one experiment, the color of eggs was muted by researchers, males were willing to exercise similar care for both large eggs and small eggs if their mate had brightly colored feet, whereas males paired with dull-footed females only incubated larger eggs.
The tarsometatarsus forms the upper part of the foot, digits make up the toes. The leg bones of birds are the heaviest, contributing to a low center of gravity, which aids in flight. A bird's skeleton accounts for only about 5% of its total body weight. They have a greatly elongate tetradiate pelvis, similar to some reptiles. The hind limb has ...
Bird's foot may refer to: Bird feet and legs, part of the anatomy of birds Dactyly in birds, the arrangement of the digits of a bird's foot;
Archaeologists found ancient bird footprints that are 60 million years too early. They could rewrite the history of evolution. ... Drawing data from four sites—along with a detailed 262-foot ...
Webbed toes is the informal and common name for syndactyly affecting the feet—the fusion of two or more digits of the feet. This is normal in many birds, such as ducks; amphibians, such as frogs; and some mammals, such as kangaroos.
The fifth toe is lost completely except in some birds where it has become a spur. A number of birds have spurs on their feet or legs, usually formed from the lower portion of the tarsometatarsus bone. Best known are the spurs on chicken, though most galliform birds bear spurs. The spurs are mostly found in males, and used in mating competition ...
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!