Spreading wings of beautiful bird in slow motion whick look very charming to eyes

Beautiful Bird Egret spreading wings in very beautiful way and camera man capture the scene at very exact time to show the world beauty of birds. and later we work on video and in slow motion action video look amazing and watchful.

Egrets/Cranes adopt characteristic poses in which they extend and often slightly droop their wings. This behavior is commonly described as "sunbathing" or "wing-drying." Cormorants and Anhingas frequently assume these postures, which are also seen in both Brown and White Pelicans, as well as in some storks, herons, vultures, and hawks.

The structure of cormorant and Anhinga feathers decreases buoyancy and thus facilitates underwater pursuit of fishes. Hence their plumage is not water-repellent, but "wettable." It has been suggested that the function of the spread-wing postures in these birds is to dry the wings after wetting. Biologists once thought that deficient production of oils from the preen gland necessitate wing-drying behaviors. We now know, however, that the degree of waterproofing of feathers is primarily due to their microscopic structure, not to their being oiled. In addition to helping wing feathers to dry, other suggested functions for these postures include regulating body temperature ("thermoregulation"), realigning of feathers, forcing parasites into motion to ease their removal, and helping the perched bird to balance.

Spread-wing postures may serve different purposes in different species. Anhingas, for example, have unusually low metabolic rates and unusually high rates of heat loss from their bodies. Whether wet or dry, they exhibit spread-wing postures mostly under conditions of bright sunlight and cool ambient temperatures, and characteristically orient themselves with their backs to the sun. Thus, it appears that Anhingas adopt a spread-wing posture primarily for thermoregulation -- to absorb solar energy to supplement their low metabolic heat production and to offset partly their inordinately high rate of heat loss due to convection and (when wet) evaporation from their plumage.

Cormorants, in contrast, apparently use spread-wing postures only for drying their wings and not for thermoregulation. Although cormorant plumage also retains water, only the outer portion of the feathers is wettable, so an insulating layer of air next to the skin is maintained when cormorants swim underwater. This difference in feather structure may explain why cormorants can spend more time foraging in the water than Anhingas, and why cormorants can inhabit cooler climes, while the Anhinga is restricted to tropical and subtropical waters.

Spread-wing postures appear to serve for both thermoregulation and drying in Turkey Vultures. These birds maintain their body temperature at a lower level at night than in the daytime. Morning wing-spreading should provide a means of absorbing solar energy and passively raising their temperature to the daytime level. Field observations indicate that this behavior is associated with the intensity of sunlight and also occurs more frequently when the birds are wet than when they are dry.

This bird is considered as symbol of peace and happiness in Asia.

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