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Bird ear tufts are skin projections covered in feathers found in some bird species, most notably various species of owl, vaguely resembling mammalian ears, but unrelated to the animal's hearing. Theories about their function range from improved ability to camouflage, [ 2 ] aiding in finding a suitable mate, [ 3 ] [ 4 ] to giving a more ...
Like many mammals, grizzly bears are covered in thick fur. Fur is a thick growth of hair that covers the skin of almost all mammals. It consists of a combination of oily guard hair on top and thick underfur beneath. The guard hair keeps moisture from reaching the skin; the underfur acts as an insulating blanket that keeps the animal warm. [1]
Feather variations. Feathers are epidermal growths that form a distinctive outer covering, or plumage, on both avian (bird) and some non-avian dinosaurs and other archosaurs. They are the most complex integumentary structures found in vertebrates [1] [2] and an example of a complex evolutionary novelty. [3]
Plumage (from Latin pluma 'feather') is a layer of feathers that covers a bird and the pattern, colour, and arrangement of those feathers. The pattern and colours of plumage differ between species and subspecies and may vary with age classes.
The market is flooded with calming aids for cats and dogs, but what about our more exotic pets? Stress manifests differently in our scaled, finned, feathered, and little furry (think rodents) friends.
Feathers are epidermal growths attached to the skin and arise only in specific tracts of skin called pterylae. The distribution pattern of these feather tracts (pterylosis) is used in taxonomy and systematics. The arrangement and appearance of feathers on the body, called plumage, may vary within species by age, social status, [128] and sex. [129]
Knowledge of the origin of feathers developed as new fossils were discovered throughout the 2000s and the 2010s, and technology enabled scientists to study fossils more closely. Among non-avian dinosaurs, feathers or feather-like integument have been discovered in dozens of genera via direct and indirect fossil evidence. [2]
Jennifer Lopez left little to the imagination in her latest bathing suit look. Lopez, 55, stunned a while rocking a black string bikini with gold embellishments in a photo posted via her Instagram ...