South Polar Skua
Photo: Paride Legovini · CC BY-SA 4.0

Jaegers and Skuas

South Polar Skua

Stercorarius maccormicki

LCLeast Concern
Family
Jaegers and Skuas (Stercorariidae)
Order
Charadriiformes

Overview

The south polar skua (Stercorarius maccormicki) is a large seabird in the skua family, Stercorariidae. An older name for the bird is MacCormick's skua, after explorer and naval surgeon Robert McCormick, who first collected the type specimen. This species and the other large skuas, such as the great skua, are sometimes placed in a separate genus Catharacta.

Summary from Wikipedia, available under CC BY-SA 4.0.

Diet: Fish, penguin eggs and chicks.

How to identify it

  1. Bulky brown seabird with white flashes at the base of the primaries
  2. Pale birds have a pale head and body
  3. Raids penguin colonies for eggs and chicks

Voice

Harsh calls.

Listen to recordings on xeno-canto

Where to see it

  • Antarctic Peninsula
  • Ross Sea

Destination guides featuring this bird

Similar species

Brown Skua
larger and warmer brown

Range and habitat

Breeds coastal Antarctica, especially Ross Sea; also South Shetland and South Orkney islands (off Antarctic Peninsula); winters to northern offshore waters and North Indian Ocean: mostly clockwise to Japanese and Korean waters and Gulf Stream of eastern USA, then southwestern Canada to northern Baja California and northwestern Africa.

Range description: AviList Global Avian Checklist.

Sources and further reading

Last updated September 29, 2026.