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The snowy owl (Bubo scandiacus), [4] also known as the polar owl, the white owl and the Arctic owl, [5] is a large, white owl of the true owl family. [6] Snowy owls are native to the Arctic regions of both North America and the Palearctic, breeding mostly on the tundra. [2]
Fluctuations in the lemming population affect the behaviour of predators, and may fuel irruptions of birds of prey such as snowy owls to areas further south. [8] For many years, the population of lemmings was believed to change with the population cycle , but now some evidence suggests their predators' populations, particularly those of the ...
This is disputable as many big-game hunting predators such as Smilodon, great white sharks and Allosaurus have weaker bite forces and often laterally weak skulls as adaptations towards, not away from, killing large prey, relying instead on the presence of a cutting edge, a wide gape made possible by the reduction of jaw musculature, and the ...
Immature eagles of this species typically have white on the tail and often have white markings on the wings. Golden eagles use their agility and speed combined with powerful feet and large, sharp talons to hunt a variety of prey, mainly hares, rabbits, and marmots and other ground squirrels. [4] Golden eagles maintain home ranges or territories ...
The peregrine requires open space in order to hunt, and therefore often hunts over open water, marshes, valleys, fields, and tundra, searching for prey either from a high perch or from the air. [83] Large congregations of migrants, especially species that gather in the open like shorebirds, can be quite attractive to a hunting peregrine.
Male bar-tailed godwits are smaller than females and have shorter bills. In a study at the Manawatū Estuary, shorter-billed birds (males) fed mostly on small surface prey like Potamopyrgus snails, half being snail specialists, whereas females consumed more deeply-buried prey such as worms; the birds also displayed some individual food preferences.
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. Golden eagle, Aquila chrysaetos, cliffs, rocky areas, alpine tundra
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.