Illustration of merganser
merganser
noun
mer·gan·ser
(ˌ)mər-ˈgan(t)-sər 
: any of various fish-eating diving ducks (especially genus Mergus) with a slender bill hooked at the end and serrated along the margins and usually a crested head see common merganser
Examples of merganser in a Sentence
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Several species including mallards, wood ducks, and mergansers can be spotted in the city's waterways year-round, according to Birding Around NYC.
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Lydia Patrick, MSNBC Newsweek, 26 June 2025
Like the loons and pelicans, the mergansers and the buffleheads, which breed in northern Minnesota and Canada, among other places, are just passing through.
—Sheryl De Vore, Chicago Tribune, 1 Apr. 2025
Wild birds − including hooded mergansers in captivity and bald eagles in the wild − have also contracted bird flu across the state in the last year, according to USDA.
—Eduardo Cuevas, USA TODAY, 7 Feb. 2025
In addition to bald eagles, other wildlife seen on the tour over the year includes: three types of grebes, three types of swans, three types of mergansers, many different gulls, loons, golden eagle, coyote, fox, deer, many hawk species, three types of seals and bobcats.
—Sean Krofssik, Hartford Courant, 6 Feb. 2024
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Lydia Patrick, MSNBC Newsweek, 26 June 2025
Like the loons and pelicans, the mergansers and the buffleheads, which breed in northern Minnesota and Canada, among other places, are just passing through.
—Sheryl De Vore, Chicago Tribune, 1 Apr. 2025
Wild birds − including hooded mergansers in captivity and bald eagles in the wild − have also contracted bird flu across the state in the last year, according to USDA.
—Eduardo Cuevas, USA TODAY, 7 Feb. 2025
In addition to bald eagles, other wildlife seen on the tour over the year includes: three types of grebes, three types of swans, three types of mergansers, many different gulls, loons, golden eagle, coyote, fox, deer, many hawk species, three types of seals and bobcats.
—Sean Krofssik, Hartford Courant, 6 Feb. 2024
See All Example Sentences for merganser
Cite this Entry
“Merganser.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/merganser. Accessed 13 Jul. 2025.
Copy CitationKids Definition
merganser
noun
mer·gan·ser
(ˌ)mər-ˈgan(t)-sər
plural mergansers or merganser
: any of various fish-eating wild ducks with a slender bill hooked at the end and usually with a bunch of feathers on the head that point backward
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