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Red-breasted Merganser - BirdForum Opus

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


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.


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

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


This is a monotypic species[1].


Freshwater lakes and rivers.


This is a diving duck.


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


The call of the female is prak prrak


  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 http://www.birds.cornell.edu/clementschecklist/download/
  2. Avianweb
  3. Handbook of the Birds of the World Alive (retrieved July 2018)

Recommended Citation

External Links

GSearch checked for 2020 platform.