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The beak, bill, or rostrum is an external anatomical structure found mostly in birds, but also in turtles, non-avian dinosaurs and a few mammals. A beak is used for pecking , grasping , and holding (in probing for food, eating , manipulating and carrying objects, killing prey , or fighting), preening , courtship , and feeding young.
The Malabar grey hornbill has a grey back and a cinnamon vent. The long tail is blackish with a white tip, and the underparts are grey with white streaks. The long curved bill has no casque. Immature birds have browner upperparts and a yellow bill. [4] Young birds have a dull white or yellow iris. [5] [6]
The Indian gray hornbill (Ocyceros birostris) is a common hornbill [2] found on the Indian subcontinent.It is mostly arboreal and is commonly sighted in pairs. It has grey feathers all over the body with a light grey or dull white belly.
Bird ringing is the term used in the UK and in some other parts of Europe, while the term bird banding is more often used in the U.S. and Australia. [49] bird strike The impact of a bird or birds with an airplane in flight. [50] body down The layer of small, fluffy down feathers that lie underneath the outer contour feathers on a bird's body. [51]
At rest the white stripe stands out and the long neck and the bill with yellow tip and orange red spots at the base are distinctive in the nominate subspecies. In flight it is distinguished by the green speculum with a broad white band at the base. The red spots at the base of the bills are absent in haringtoni. It measures 55–63 cm (22–25 ...
They are large wading birds characterized by large bills, the mandibles of which do not meet except at the tip. This feature develops only in the adults. Both species feed predominantly on molluscs. The roof of the upper bill is fringed with plate-like structures ("lamellae") in the African openbill, but these are absent in the Asian openbill ...
The ibisbill (Ibidorhyncha struthersii) is a bird related to the waders, but sufficiently distinctive to merit its own family Ibidorhynchidae. It is grey with a white belly, red legs and long down-curved bill, and a black face and black breast band. It occurs on the shingle riverbanks of the high plateau of central Asia and the Himalayas.
This myna is strikingly marked in black and white and has a yellowish bill with a reddish bill base. The bare skin around the eye is reddish. The upper body, throat and breast are black while the cheek, lores, wing coverts and rump are contrastingly white. The sexes are similar in plumage but young birds have dark brown in place of black. [12]