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Larger species, such as the great skua, regularly kill and eat adult seabirds, such as puffins and gulls and have been observed killing birds as large as a grey heron. [5] On the breeding grounds, the three, more slender northern breeding species commonly eat lemmings. Those species that breed in the southern oceans largely feed on fish that ...
An aerial apex predator, the great skua is an also an aggressive kleptoparasite, deliberately harassing birds as large as gannets to steal a free meal. It also readily kills and eats smaller birds such as puffins. Great skuas show little to no fear of humans – anybody getting close to the nest will be repeatedly dive-bombed by the territorial ...
The south polar skua is a large bird (though small compared to other skuas sometimes placed in Catharacta) that measures around 53 cm (21 in) in length.Adults are greyish brown above, and have a whitish (pale morph) or straw-brown (intermediate morph) head and underparts, and the contrast between head and body makes it easy to separate from similar species with good views.
Brown skua eyeing a king penguin carcass. This is the heaviest species of skua and rivals the largest gulls, the great black-backed gull and glaucous gull, as the heaviest species in the shorebird order although not as large in length or wingspan. [2]
This is a large skua at about 45cm length, excluding the central tail feathers of the summer adult, which can add another 10cm or so. This species ranges from 46 to 67 cm (18 to 26 in) in length, 110 to 138 cm (43 to 54 in) in wingspan and 540–920 g (1.19–2.03 lb) in weight.
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 (V) LC; Northern harrier, Circus hudsonius (V) LC
The family Stercorariidae are, in general, medium to large sea birds, typically with grey or brown plumage, often with white markings on the wings. They nest on the ground in temperate and arctic regions and are long-distance migrants. Great skua, Stercorarius skua; South polar skua, Stercorarius maccormicki (A) Pomarine jaeger, Stercorarius ...
The parasitic jaeger (North America) or Arctic skua (Europe) (Stercorarius parasiticus), is a seabird in the skua family Stercorariidae. It is a migratory species that breeds in Northern Scandinavia , Scotland , Iceland , Greenland , Northern Canada , Alaska , and Siberia and winters across the southern hemisphere.