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Birds

Red-breasted merganser

Red-breasted merganser · Mergus serrator

Red-breasted merganser
Männlicher Mittelsäger schwimmt seitlich auf blauem Wasser mit aufgestelltem Kamm

The red-breasted merganser captivates with its slender body and fascinating hunting manoeuvres on the water surface.

Fact file

Size
60 to 70 cm long, wingspan up to 90 cm.
Males and females
Male with conspicuous plumage and dark head, female brown and inconspicuous.
Sounds
Calls of croaking and quacking, especially when there is danger.
Diet
Prefers fish, often also other aquatic animals such as insects.
Offspring
The breeding season lasts from April to July, eggs are laid in nests on the shore.

How to identify Red-breasted merganser

The red-breasted merganser has a striking, slender appearance with a length of 60 to 70 cm and a wingspan of up to 90 cm. Its head shows a characteristic green colouring and is separated from the distinctive orange-red breast by a narrow white neck.

The plumage of the males is especially splendid with a dark, iridescent upper body and a white flank stripe. Females are less conspicuous and more brown in colour. Both sexes show the characteristic pointed bill shape, which is ideal for catching fish.

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Where Red-breasted merganser live

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