Common Merganser


Manage episode 302415064 series 2381
By BirdNote. Discovered by Player FM and our community — copyright is owned by the publisher, not Player FM, and audio is streamed directly from their servers. Hit the Subscribe button to track updates in Player FM, or paste the feed URL into other podcast apps.

The Common Merganser is one of our biggest ducks, about the size of some loons. Although it’s not closely related to loons, it has evolved a similar overall structure and predatory behavior. But a merganser has a unique feature: tooth-like serrations along the edge of the bill that help the bird grasp slippery fish. Common Mergansers nest in the northern states and Canada. So do loons. But loons nest on the ground at the edge of a lake, while the mergansers nest mostly in tree cavities and rock crevices near large lakes or along rivers. Learn more at

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