On average, a skua is about 56 cm (22 in) long, and 121 cm (48 in) across the wings. They have longish bills with a hooked tip, and webbed feet with sharp claws. They look like large dark gulls, but have a fleshy cere above the upper mandible.

The South Polar Skua (Catharacta maccormicki) is the size of a largish gull. They nest all around continental Antarctica and breed into the deep south.

The South Polar skua (Stercorarius maccormicki) is a large predatory seabird. An older name for the bird is MacCormick's skua, after explorer and naval surgeon Robert McCormick, who first collected the type specimen.

The brown skua (Stercorarius antarcticus), also known as the Antarctic skua, subantarctic skua, southern great skua, southern skua, or hākoakoa (Māori), is a large seabird that breeds in the subantarctic and Antarctic zones and moves further north when not breeding.

Jun 23, 2024 · Skuas are a group of seabirds belonging to the family Stercorariidae. They are known for their aggressive behavior and kleptoparasitic feeding habits, often stealing food from other seabirds. When identifying skuas, several criteria can be considered: Size and Shape: Skuas are medium to large seabirds with a robust build.

Aug 14, 2019 · Old Great Skua Stercorarius skua. Galicia, September 2019. ©Marcel Gil Velasco. There was a time when South Polar Skuas were meant to be strikingly pale, almost white from the distance. At this time, this old Great Skuas attracted some attention.

May 27, 2024 · Learn all there is to know about this intimidating group of birds, including where you can find them, how they eat, and how they defend their nests. Skuas are found on the sea coasts of all continents. They are long-distance migrants, …

The seven species of Skuas (genus Stercorarius) spread across both hemisp heres – all of which, except the Chilean Skua, are migratory. These large birds have an average wingspan of ~1.2m and are intelligent and notoriously aggressive.

Skuas are predatory seabirds belonging to the genus Stercorarius, which includes seven species and is the only genus in the family Stercorariidae. In North America, the smaller skuas—Arctic skua, long-tailed skua, and pomarine skua—are called jaegers.

Skuas are a group of seabirds that belong to the family Stercorariidae. They are known for their aggressive behavior, kleptoparasitic feeding habits, and strong, predatory nature. Here are some key characteristics of skuas: Read in Spanish. Appearance: Skuas have a robust build with long wings and a distinctively forked tail.