Common Guillemot

Uria aalge

© 2025
Share   
0 recent observations

Brief #

Black on the head, back and wings, and has white underparts.

Synonyms #

  • Arao común (Spanish)
  • Arao (Galician)

Red List Status #

The Common Guillemot is unlikely to become extinct in the near future.
Find out more about IUCN's Red List program here

Description #

In breeding plumage, it is black on the head, back and wings, and has white underparts. It has thin dark pointed bill and a small rounded dark tail. Legs are grey and the bill is dark grey. Occasionally, adults are seen with yellow/grey legs. The chicks are downy with blackish feathers on top and white below.

Measurements #

Length: 38 - 46 cm
Wingspan: 61 - 73 cm
Weight: 0.775 - 1.25 kg