Penguin Wallpaper

About Penguin Wallpaper Android App

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Penguins a family of flightless seabirds the only detachment pingvinoobraznyh. The family of 18 modern species. All members of this family swim and dive well.

Penguins streamlined body shape ideal for moving in the water. Muscles and bones device allow them to work under water wings almost like screws. Unlike other flightless birds penguins are clearly marked with the sternum keel which is attached to powerful muscles. Swimming underwater differs from the filter in the air so that the wing lift expended the same energy as that on lowering since water resistance is greater than the air resistance so penguins blades are compared with other birds large surface area on which attached musculature responsible for the wing lift. The humerus bone of the forearm and elbow connected directly and fixedly which increases the stability of the wing. Pectoralis muscles developed and is sometimes up to 30% of body weight which is several times greater than the most powerful muscles of flying birds. Thighs very short the knee joint is fixed and the legs significantly set back which is the reason for the unusually straight gait. Big feet with flipper relatively short on land animals often rest standing on his heels with a rigid tail serves them additional support. Penguin Tail strongly shortened as the steering function which he usually does in other water birds perform in the first leg. The second obvious difference from other birds penguins bone density. All the bones of birds pipe making it easier to frame and allows you to fly or run fast they are like the bones of mammals (dolphins and seals) and contain no internal cavities.

They eat fish silverfish Antarctic anchovies or sardines as well as crustaceans such as euphausiids or krill or small cephalopods on which they prey swallowing just under the water. If different types divided between one habitat their diet is usually different Adelie penguin and Antarctic krill prefer different sizes.

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