Red-Breasted Merganser (Mergus serrator) with two chicks, Iceland, Polar Regions

Red-breasted merganser (Mergus serrator) with two chicks, Iceland, Polar Regions

Adult female Common merganser (Mergus merganser), with chicks, Leigh Lake, Grand Teton National Park, Wyoming, United States of America, North America

Adult female Common merganser (Mergus merganser) with chicks, Leigh Lake, Grand Teton National Park, Wyoming, United States of America, North America

Brazilian merganser (Mergus octosetaceus) swimming in a river, Serra da Canastra National Park, Minas Gerais, Brazil, South America

Brazilian merganser (Mergus octosetaceus) on a rock, Serra da Canastra National Park, Minas Gerais, Brazil, South America

Common merganser (goosander) (Mergus merganser), French Creek, British Columbia, Canada, North America

A female Goosander, Mergus merganser,with young ducklings hitching a ride on her back on the river Brathay, Ambleside, Lake District, UK,

Adult male common merganser (Mergus merganser) in breeding plumage taking flight in Gambier Bay on Admiralty Island, Southeastern Alaska, USA

Adult female common merganser (Mergus merganser) in breeding plumage in Gambier Bay on Admiralty Island, Southeastern Alaska, USA. Pacific Ocean.

Adult male and female common mergansers (Mergus merganser) in breeding plumage in Gambier Bay on Admiralty Island, Southeastern Alaska, USA

Common merganser (Mergus merganser), swimming female with many chicks on her back, Zugersee, Switzerland, Europe

Common merganser (Mergus merganser) or goosander mother with her youngsters swimming in danubia river at sunset, Bavaria, Germany, Europe

Common merganser (Mergus merganser) or goosander mother with her youngsters swimming in danubia river, Bavaria, Germany, Europe

Common merganser (Mergus merganser) or goosander mother with her youngsters swimming in danubia river, Bavaria, Germany, Europe

Mergus albellus, Smew male

Mergus albellus, Smew male

Great blue heron (Ardea herodias) and common merganser (Mergus merganser) female standing on a rock, La Mauricie National Park. Province of Quebec. Canada