Bird Guide Ducks and Geese Common Merganser
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Common Merganser

Common Merganser
At a Glance Range & Identification Conservation Explore More Back to Top

At a Glance

All bird guide text and rangemaps adapted from Lives of North American Birds by Kenn Kaufman© 1996, used by permission of Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Category
Duck-like Birds, Mergansers
IUCN Status
Least Concern
Habitat
Coasts and Shorelines, Forests and Woodlands, Freshwater Wetlands, Lakes, Ponds, and Rivers, Saltwater Wetlands
Region
Alaska and The North, California, Eastern Canada, Florida, Great Lakes, Mid Atlantic, New England, Northwest, Plains, Rocky Mountains, Southeast, Southwest, Texas, Western Canada
Behavior
Direct Flight, Swimming

Range & Identification

Migration & Range Maps

Description

Size
About the size of a Heron, About the size of a Mallard or Herring Gull
Color
Black, Gray, Green, Orange, Red, White
Wing Shape
Pointed
Tail Shape
Pointed, Short, Wedge-shaped

Songs and Calls

Call Pattern
Flat, Simple
Call Type
Croak/Quack, Odd, Rattle

Conservation

Change in Abundance Over Time
Drawing on more than a century of community science from the Christmas Bird Count (CBC), this chart shows how this species’ relative abundance has shifted in recent decades. Explore more and get involved in the CBC.

Climate Map

Audubon’s scientists have used 140 million bird observations and sophisticated climate models to project how climate change will affect the range of the Common Merganser. Learn even more in Audubon’s Survival By Degrees project.

Climate Threats Facing the Common Merganser

Choose a temperature scenario below to see which threats will affect this species as warming increases. The same climate change-driven threats that put birds at risk will affect other wildlife and people, too.

Explore More

Murals, Art, and Culture

Artists throughout history and across the U.S. have captured this bird in murals, books, and museum hangings. See what they’ve done: