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The skuas range in size from the long-tailed skua, Stercorarius longicauda, at 310 grams (0.68 pounds), to the brown skua, Stercorarius antarcticus, at 1.63 kg (3.6 lb). On average, a skua is about 56 cm (22 in) long, and 121 cm (48 in) across the wings.
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 the smallest of the skua family at 38–58 cm (15–23 in), depending on season and age. However up to 29 cm (11 in) of its length can be made up by the tail which may include the 15 cm (5.9 in) tail streamers of the summer adult.
Small for a skua, the parasitic jaeger measures 41–48 cm (16–19 in) in length, 107–125 cm (42–49 in) in wingspan and weighs 300–650 g (11 oz – 1 lb 7 oz). [8] [9] The tail streamer of the breeding adult accounts for about 7 cm (3 in) of their length. Light-morph adults have a brown back, mainly white underparts and dark primary wing ...
The great skua (Stercorarius skua), sometimes known by the name bonxie in Britain, is a large seabird in the skua family Stercorariidae. It is roughly the size of a herring gull . It mainly eats fish caught at the sea surface or taken from other birds.
South polar skua This page was last edited on 6 July 2018, at 05:17 (UTC). Text is available under the Creative Commons Attribution ...
The spectacled bear (Tremarctos ornatus), ... The tail is a mere 7 cm (2.8 in) in length, and the shoulder height is from 60 to 90 cm (23.5 to 35.5 in). Compared to ...