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Ossicones are columnar or conical skin-covered bone structures on the heads of giraffes, male okapi, and some of their extinct relatives. Ossicones are distinguished from the superficially similar structures of horns and antlers by their unique development and a permanent covering of skin and fur.
Like many mammals, grizzly bears are covered in thick fur. A fur is a soft, 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 ...
The assumption is that these cells allow a bird to perform "remote touch", meaning that it can detect the movement of animals by pressure variations in water, without directly touching the prey. Bird species known to have bill-tip organs include ibises , shorebirds of the family Scolopacidae and kiwis .
The surface of the flight feathers is covered with a velvety structure that absorbs the sound of the wing moving. These unique structures reduce noise frequencies above 2 kHz, [ 20 ] making the sound level emitted drop below the typical hearing spectrum of the owl's usual prey [ 20 ] [ 21 ] and also within the owl's own best hearing range.
This is an accepted version of this page This is the latest accepted revision, reviewed on 19 February 2025. Species of mammal This article is about the animal. For other uses, see Okapi (disambiguation). Okapi Male okapi at Beauval Zoo Female okapi at Zoo Miami Conservation status Endangered (IUCN 3.1) Scientific classification Domain: Eukaryota Kingdom: Animalia Phylum: Chordata Class ...
A mammal (from Latin mamma 'breast') [1] is a vertebrate animal of the class Mammalia (/ m ə ˈ m eɪ l i. ə /).Mammals are characterised by the presence of milk-producing mammary glands for feeding their young, a broad neocortex region of the brain, fur or hair, and three middle ear bones.
The body is mainly covered with long, dark brown or black fur, with a prominent triangular white-edged black band from the shoulders down to chest and continuing to the mid-body. The forelegs are mostly white, marked with black at the wrists and just above the claws. The tail is almost as long as the body and covered with long, coarse hairs.
Birds have one of the most complex respiratory systems of all animal groups. [77] Upon inhalation, 75% of the fresh air bypasses the lungs and flows directly into a posterior air sac which extends from the lungs and connects with air spaces in the bones and fills them with air. The other 25% of the air goes directly into the lungs.