South Polar Skua
Stercorarius maccormicki
The South Polar Skua is a rare visitor to Britain, typically seen in the summer months and usually associated with the coast, particularly in the northern and western regions. It is most often spotted during periods of strong winds or storms, which can bring these birds closer to shore.
Field Identification Guide
Use these features to identify South Polar Skua in the field.
The South Polar Skua can be identified by its large size, brownish-grey plumage, and distinctive white patches on its wings, as well as its aggressive and predatory behaviour. Its broad, rounded wings and long, pointed tail are also notable features.
The South Polar Skua is larger than a Herring Gull, with a more robust build and broader wings.
The male South Polar Skua has a brownish-grey back and wings, with a pale grey-brown belly and white patches on its wings, and its plumage remains relatively consistent throughout the year.
Similar to the male, the female South Polar Skua has the same brownish-grey and white colouration, with no significant seasonal variation.
The South Polar Skua's call is a loud, shrill cry, often described as a sharp "kraa" or "kaa", which can be heard during its aggressive interactions with other birds.
The South Polar Skua is a predatory bird that feeds on small seabirds, fish, and carrion, and is known for its aggressive and parasitic behaviour, often stealing food from other birds, and its strong, direct flight.
The South Polar Skua can be confused with the Great Skua, but can be distinguished by its more slender build, longer tail, and distinctive white wing patches, as well as its more aggressive and predatory behaviour.
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