




Mergus merganser
The Common Merganser is a beautiful duck with a long, slender body and a sharp beak. They love to swim and dive underwater to catch fish, making them great hunters in the water!
Habitat: Wetlands
The Common Merganser has a sleek body and a distinctive thin, serrated red bill. Males boast an iridescent green head, white body, and black back. Females have a shaggy rusty-red head and a gray body.





Category
BirdsRarity
Common
Danger
1/5 · Very low
Snaps
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A large group of mergansers is called a 'raft' or even a 'flotilla'.
Baby mergansers often jump from tree nests up to 40 feet high!
These ducks must 'run' across water to get airborne for flight!
They can stay underwater for over a minute, diving deep to hunt fish.
Common Mergansers can dive deep and chase fish because their bodies are built for fast underwater swimming.
Common Mergansers have a serrated, hook-tipped bill that helps them firmly grasp slippery fish underwater.
Common Mergansers have waterproof feathers, keeping them warm and dry while diving in cold water.
These ducks are expert underwater hunters, mainly eating fish and aquatic creatures.
Age differences: Young ducklings eat more aquatic insects, transitioning to mostly fish as they mature.

Oncorhynchus mykiss
Mergansers hunt and eat smaller trout in rivers and lakes.

Haliaeetus leucocephalus
Bald eagles are powerful predators of adult mergansers.

Lutra canadensis
River otters may prey on mergansers or their eggs opportunistically.
Insecta (various)
Ducklings and sometimes adults eat aquatic insects in their habitat.
Feathered describes animals, primarily birds, possessing a covering of feathers.
Characterized by having toes connected by a membrane, typically aiding in swimming.
Social animals live in organized groups, cooperating for survival benefits such as foraging, defense, and raising offspring.
Piscivorous organisms are animals that primarily subsist on a diet of fish.
This habitat trait identifies species found in wetlands, which are areas of land saturated with water, either permanently or seasonally, including marshes, swamps, and bogs.
This trait identifies organisms whose diet consists entirely or primarily of animal tissue.
Diurnal animals are primarily active during daylight hours, typically resting or sleeping at night.
Freshwater habitats include non-saline aquatic environments such as rivers, lakes, ponds, and wetlands, vital for numerous species.
Describes a species whose presence and role have a disproportionately large effect on its environment.
Aquatic habitats encompass environments where organisms live predominantly in water, including oceans, rivers, lakes, and wetlands.
Migratory animals undertake seasonal movements from one region to another, typically in response to changes in climate or food availability.
Danger
1/5 · Very low
Always watch birds from a distance and don't try to touch them.
58-72 cm
82-97 cm
0.9-2.1 kg
5-13 years
80 km/h
These ducks are expert underwater hunters, mainly eating fish and aquatic creatures.
Wetlands
Pursuit
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Massachusetts, US
You might spot House Sparrow, Garlic Mustard, and Duck.
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Ontario, CA
You might spot Moose, Brittlegills, and Canadian Bunchberry.
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Washington, US
You might spot Duck, American Wigeon, and Ring-Billed Gull.
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Pennsylvania, US
You might spot Eastern Skunk Cabbage and American Hornbeam.
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Massachusetts, US
You might spot Duck, Ring-Necked Duck, and American Pokeweed.
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Washington, US
You might spot Canada Goose, Daisy, and Duck.
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