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Accipitridae is a family of birds of prey which includes hawks, eagles, kites, harriers, and Old World vultures. These birds have very large powerful hooked beaks for tearing flesh from their prey, strong legs, powerful talons, and keen eyesight. Swallow-tailed kite, Elanoides forficatus (C) Golden eagle, Aquila chrysaetos
The typical image of migration is of northern land birds, such as swallows (Hirundinidae) and birds of prey, making long flights to the tropics. However, many Holarctic wildfowl and finch (Fringillidae) species winters in the North Temperate Zone , in regions with milder winters than their summer breeding grounds.
A bird atlas is an ornithological work that attempts to provide information on the distribution, abundance, long-term change as well as seasonal patterns of bird occurrence and make extensive use of maps. They often involve a large numbers of volunteers to cover a wide geographic area and the methods used are standardized so that the studies ...
The great white pelican is a huge bird—only the Dalmatian pelican is, on average, larger among pelicans. It measures 140 to 180 cm (55 to 71 in) in length [6] with a 28.9 to 47.1 cm (11.4 to 18.5 in) enormous pink and yellow bill, [6] and a dull pale-yellow gular pouch.
The blue-headed vireo has similar plumage year round and does not drastically change its appearance during the breeding season. It can be characterized by its olive green upper body, two bold yellow wing bars down the edge of its wing, and a deep blue-grey crown from which it gets its name.
A proposal is underway to create a new fund to improve Pennsylvania’s forest habitat to protect birds like the ruffed grouse. Sen. Greg Rothman, R-34, in Perry County and parts of Cumberland and ...
An old name for this species is the "rice bird", from its tendency to feed on cultivated grains during winter and migration. The bobolink breeds in the summer in the United States and Canada, with most of the summer range in the northern U.S. Bobolinks winter in southern South America, primarily Paraguay, Argentina, and Bolivia. Bobolink ...
The calliope is the smallest breeding bird found in Canada and the United States. [3] [4] An adult calliope hummingbird can measure 7–10 cm (2.8–3.9 in) in length, span 11 cm (4.3 in) across the wings and weigh 2 to 3 g (0.071 to 0.106 oz). [4] Calliope hummingbirds have glossy green on the back and crown with white underparts. [3]