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The juvenile osprey may be identified by buff fringes to the plumage of the upperparts, a buff tone to the underparts, and streaked feathers on the head. During spring, barring on the underwings and flight feathers is a better indicator of a young bird, due to wear on the upperparts. [29]
The tail of the immature eagle is white with black mottling distally. [ 22 ] [ 30 ] The young Steller's sea eagle has dark brown irises, whitish legs, and blackish-brown beak. Through at least three intermediate plumages, mottling in the tail decreases, body and wing feathering acquires a bronze cast, and the eyes and bill lighten in colour. [ 13 ]
The osprey is usually placed in a separate family (Pandionidae), as is the secretary bird (Sagittariidae), and the New World vultures are also usually now regarded as a separate family or order. Karyotype data [ 3 ] [ 4 ] [ 5 ] indicate the accipitrids analysed are indeed a distinct monophyletic group.
Occasionally, juvenile eagles have white patches on the remiges at the bases of the inner primaries and the outer secondaries, forming a crescent marking on the wings which tends to be divided by darker feathers. [4] [46] Rarely, juvenile birds may have only traces of white on the tail. Compared to the relatively consistently white tail, the ...
Immature birds have brown plumage, which is gradually replaced by white until the age of five or six years. The call is a loud goose-like honking. The call is a loud goose-like honking. Resident from India and Sri Lanka through Southeast Asia to Australia on coasts and major waterways, the white-bellied sea eagle breeds and hunts near water ...
The osprey is a medium-large raptor which is a specialist fish-eater with a worldwide distribution. Osprey, Pandion haliaetus; ... White-tailed kite Immature harpy eagle.
An osprey’s daring dive and a bald eagle’s relentless pursuit paint a picture of life in the wild. A reminder of the powerful forces at play in our natural world. From Predator To Prey: A ...
The common buzzard (Buteo buteo) [2] is a medium-to-large bird of prey which has a large range. It is a member of the genus Buteo [2] in the family Accipitridae. [2] The species lives in most of Europe and extends its breeding range across much of the Palearctic as far as northwestern China (), far western Siberia and northwestern Mongolia.