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Birds
Common guillemot
Common guillemot · Uria aalge
The common guillemot captivates with its striking black-and-white contrast and is a master of diving.
Fact file
- Size
- 40 to 50 cm tall with a weight of 900 to 1,200 g.
- Males and females
- Male and female look similar, with no striking differences between the sexes.
- Sounds
- Makes a characteristic, harsh “kraker” sound, especially during the breeding season.
- Diet
- Feeds mainly on fish and crustaceans, which it catches while diving.
- Offspring
- Lays a single egg, which is laid in a nesting colony on narrow ledges.
How to identify Common guillemot
The common guillemot has a distinctive black-and-white colouring. The head and upper body are dark, while the underside is pure white. The transitions are sharp, which makes the common guillemot unmistakable.
This bird species reaches a size of about 40 to 50 cm and has a slender body shape with long wings. Its characteristic bill is short and strong, ideal for diving.
More in the app
With Wildful Stories+ you also get in the app:
- general viewing tips
- 3 places where you can see Common guillemot

