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Red-breasted Merganser

From Opus

Breeding malePhoto © by Digiscoper321West Sweden, January 2017
Breeding male
Photo © by Digiscoper321
West Sweden, January 2017
Mergus serrator


[edit] Identification

FemalePhoto © by bobsofpaFort DeSoto Park, Florida, USA, February 2015
Photo © by bobsofpa
Fort DeSoto Park, Florida, USA, February 2015

L. 52-58 cm (20½-22¾ in)
W. 67-82 cm Long, thin red bill with serrated edges
Adult Male

  • Dark head with a green sheen
  • White neck with
  • Rusty breast
  • Black back
  • White underparts

Adult Female

  • Rusty head
  • Greyish body

Juvenile Like the female, but lacks the white collar and has a smaller white wing patch.

[edit] Distribution

MalePhoto © by the late MahslebMistley, Essex, February 2009
Photo © by the late Mahsleb
Mistley, Essex, February 2009

Northern Palearctic and northern North America; winters southern Palearctic and Mexico

[edit] Taxonomy

This is a monotypic species[1].

[edit] Habitat

Freshwater lakes and rivers.

[edit] Behaviour

This is a diving duck.

[edit] Diet

The diet is mainly small fresh and salt water fish, aquatic crustaceans and invertebrates. Also insects, worms and frogs.

[edit] Vocalisation

The call of the female is prak prrak

Listen in an external program

[edit] References

  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2017. The eBird/Clements checklist of birds of the world: v2017, with updates to August 2017. Downloaded from
  2. Avianweb
  3. Handbook of the Birds of the World Alive (retrieved July 2018)

[edit] External Links


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