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Species Profile: The Hooded Merganser

12/1/2022

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A male Hooded Merganser. Photo by Stephen Ramsden.
By Steve Phenicie
​

Probably no Pilgrim ever said to a Native American: “Would you like to come over for Thanksgiving dinner? We’re having Hooded Merganser.” The Pilgrims are known to have eaten “waterfowl” at their famous feast, but Hooded Merganser might not have been a top choice. Mergansers are the only ducks that specialize in eating fish, and because of that, their flesh is said to have a fishy taste that many people find unpalatable.

But most people are more interested in looking at these handsome birds than eating them anyway. Both sexes have crests that give them a punk-rocker appearance. They have thin, serrated bills, with males having a black head with a large white patch that varies in size when the crest is raised or lowered but is always prominent. The breast is white and the back a rich chestnut. Females and immatures are gray and brown, with tawny-cinnamon tones on the head.

For habitat, Hooded Mergansers like shallow ponds, especially those where they can tuck in around the edge and find some cover. They may be in more open marsh habitats if artificial nest sites, such as those offered to Wood Ducks, are available. The nest site is typically in a tree cavity near the water, usually 10 to 50 feet above ground, but rarely up to 80 feet or more.

In addition to fish, mergansers like crayfish and other crustaceans, aquatic insects, tadpoles, mollusks, and small amounts of plant material. Young ducklings eat mostly insects.

This bird is especially common around the Great Lakes, although it is also widespread elsewhere. Year-round populations occur in two ranges: One extends from Nova Scotia to eastern Oklahoma and northern Louisiana. A second includes parts of southern British Columbia, Washington state, and patches of Oregon and western Montana. The Hooded Merganser is a short-distance migrant, with the majority wintering along the Mississippi Flyway in the south-central U.S.

Some places in metro Atlanta you might see them are E.L. Huie and other Clayton County sites such as Lakes Blaylock and Shamrock. Other areas in the state are Harris Neck National Wildlife Refuge, Dooly County Road Farm Pond, Carter's Lake, and Altamaha Wildlife Management Area. 

Some cool facts about Hooded Mergansers:
  • Taking a cue from Brown-headed Cowbirds, they often lay up to 13 eggs in the nests of other ducks, both their own species and others.
  • Hooded Mergansers find their prey underwater by sight. They can actually change the refractive properties of their eyes to improve their underwater vision. In addition, they have an extra eyelid, called a “nictitating membrane,” which is transparent and helps protect the eye during swimming, like a pair of goggles.
  • Ducklings leave their nest cavity within 24 hours of hatching. The mother calls from the ground below the nest, and the little ones hop out, which involves a plunge of 50 feet or more. In some cases they walk half a mile or more with their mother to the nearest body of water.
  • They aren’t quackers, preferring to utter hoarse grunts and chatters.
  • Almost any small retention pond could hold a couple of mergansers if there is decent habitat and food, says Adam Betuel, Georgia Audubon’s conservation director.
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  • Home
    • Login
  • Ways to Give
    • Join/Renew
    • Donate
    • Wish List
    • Leadership Giving
    • Planned Giving
    • Sponsorship Opportunities
    • Shop in our Online Store
    • Support Georgia Audubon When You Shop
  • Conservation
    • Climate Change
    • Wildlife Sanctuary Program >
      • Map of Georgia Audubon Sanctuaries
      • Wildlife Sanctuary Requirements
      • Sanctuary Resources
    • Habitat Stewardship Program
    • Habitat Restoration >
      • Piedmont Park Exhibitat
    • Building Collisions >
      • Project Safe Flight
      • Lights Out Georgia
      • Collision Resources
    • Species of Concern >
      • Ruby-throated Hummingbird
      • Chimney Swift
      • Wood Thrush
      • Brown-headed Nuthatch
    • Plants for Birds >
      • Plant Sales
    • Coffee and Chocolate
  • Education
    • For Youth >
      • Georgia Urban Ecologists
      • Homeschool
      • Scouts
      • Youth Birding Competition
      • Camp Talon
      • Conservation Career Resources
    • For Educators >
      • School Programs
      • Learning About Birds Curriculum
      • Professional Development
      • Connecting Students with STEM Through Birds
      • Resources
    • Master Birder Program
    • Scholarships
  • Engagement
    • Field Trips
    • Injured/Orphaned Birds
    • Volunteer >
      • Volunteer Code of Conduct
    • Advocacy
    • Community Outreach
    • Beloved Naturalist
    • Travel >
      • Colombia 2023
      • SE Arizona 2023
      • Michigan 2023
      • Maine 2023
      • Utah 2023
      • Madagascar 2023
      • Southern California 2024
      • Big Bend & Hill Country TX 2024
    • Community Science
    • Birding Resources >
      • Birding Sites in Georgia
      • Accessibility
      • Georgia Birding Network
      • Why Birds?
  • News & Events
    • Press Room >
      • In the News
    • Upcoming Events >
      • Program Participant Safety
    • Georgia Bird Fest
    • News Feed
    • Georgia Grows Native for Birds Month
    • Georgia Audubon at Manuel's Tavern
    • Early Birds Book Club
    • Newsletters
  • About Us
    • Mission and Programs
    • Equity, Diversity, Inclusion
    • Annual Report
    • Board and Staff
    • Best Management Practices
    • Job Opportunities
    • Our History
    • Contact Us