Common Merganser

The Common Merganser (Mergus merganser) is found year-round on the coast and in the Southern Interior. They are found across the rest of BC in summer. They are one of three merganser species found in BC and one of two true mergansers – members of the genus Mergus. They are similar in appearance to the Red-breasted Merganser (Mergus serrator) but have a less wispy head crest and the males have a greenish vs. black head. Common Mergansers are usually found in rivers and lakes but sometimes fish in the ocean as well, usually in estuaries. They primarily consume small fishes and often hunt cooperatively by driving fish into the shore as a group. Common Mergansers normally nest in cavities, whereas Red-breasted Mergansers usually nest on the ground.

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