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Birds
Black guillemot
Black guillemot · Cepphus grylle
Discover the black guillemot, a fascinating bird with distinctive plumage and lively behaviour along the coast.
Fact file
- Size
- Around 30–35 cm in size and weighs between 600 and 700 grams.
- Males and females
- Males and females are similar, but the male often has a more intensely coloured bill.
- Sounds
- Black guillemots make a range of sounds, including a rough, sharp screeching call.
- Diet
- Lives on fish, squid and crustaceans.
- Offspring
- The female lays 1–3 eggs in a nesting chamber on the cliffs.
How to identify Black guillemot
The black guillemot is easy to recognise by its distinctive black and white plumage. Its head and back are deep black, while the wings and underside are white. In breeding plumage the black guillemot also shows a striking red bill and noticeable red feathers on its legs and feet.
At around 30–35 cm in body length and weighing 600 to 700 grams, the black guillemot has a balanced, compact silhouette. The distinctive shape of its bill and its short but broad wings are key characteristics of this species.
More in the app
With Wildful Stories+ you also get in the app:
- general viewing tips
- one place where you can see Black guillemot

