They line their nests with their feathers
Merganser Scientific Classification
Scientific name
Mergus Merganser
Merganser Physical Characteristics
Brown, Red, Black, White, Green
1.7 to 2.4 million
up to 13 years
Top speed
43 mph
31 to 76 ounces
Merganser Distribition

“Mergansers are huge ducks that nest in hollow trees.”


The merganser is a lengthy- bodied duck that invests its days afloat in freshwater lakes and rivers. These classy diving birds have striking rainbowlike heads and crisp white plumes, making them very easy to detect also when they group with various other ducks. They have a comprehensive array throughout numerous continents, providing you a lot of seeing possibilities. Have a look at the fascinating realities regarding the merganser, consisting of where they live, what they eat, and exactly how they act.

5 Impressive Merganser Truths

  • Mergansers line their nests with their plumes.
  • The males desert the nest throughout incubation, and the females elevate the young.
  • Mommy mergansers and her young will certainly sign up with teams with various other females and young.
  • They have serrated expenses that can conveniently grasp unsafe fish.
  • Infants leave the nest eventually after hatching out.

Where to Locate the Typical Merganser

The merganser, or goosander, stays in lakes and rivers of forested locations in The United States and Canada, Europe, and Asia. They occupy over 40 nations, consisting of the USA, the UK, China, Switzerland, and Serbia. You can discover them in fully grown woodlands in springtime and summer season, with a lot of trees for nests. Throughout winter season, they occupy huge lakes, rivers, and tanks. They like freshwater systems, however you might discover them in seaside areas in bays, tidewaters, and harbors. You can conveniently detect them resting on rocks along rivers throughout the warmer months in The United States and Canada. And in winter season, you can discover them in huge groups with various other duck species, normally on a lake.

Merganser Nest

Females develop their nests within a mile of water and no greater than 100 feet in the air in an all-natural dental caries or woodpecker opening in a tree. They might likewise utilize rock gaps, openings under tree origins, and structures. She forms a nest dish utilizing timber chips, shavings, and turf. After that, she lines it with downy plumes tweezed from her bust.

Scientific Name

The merganser ( Mergus Merganser) is from the Anseriformes order, making up over 180 species of waterfowl, and the Anatidae family consists of birds such as ducks, geese, and swans. Mergus is the genus of fish- consuming ducks, and Merganser is Latin for “goose.”

Dimension, Appearance & Habits

Common Merganser, Duckling, Hooded Merganser, Animal, Animal Family
Mommy mergansers and her young will certainly sign up with teams with various other females and Anna39

These lengthy- bodied ducks are smaller sized than a goose however even more noticeable than a mallard. They have slim, sharp wings and slim expenses, and females have bushy tufts on the backs of their heads. They expand in between 21 and 28 inches long and consider 31 to 76 ounces, with a 34- inch wingspan. Men have intense white bodies with black backs, red expenses, and dark environment-friendly, rainbowlike heads. Females, immatures, and non- reproducing males have grey bodies, white upper bodies, and reddish- brownish heads. You can see the huge white spots on their top wings when in trip.

Throughout summer season, females elevate their young while males create groups. Females and their young will certainly frequently sign up with teams of various other females and young. Mergansers kind huge neighborhoods throughout the winter season to feed and court and might combine with various other diving duck species. Their teams can expand to 75 people, primarily investing their time drifting on water, angling, and resting. Typical mergansers have an ordinary rate of 43 Miles per hour.

Movement Pattern and Timing

Mergansers are brief to tool- remote travelers. They invest the reproducing period throughout much of Canada in The United States and Canada prior to heading southern right into the USA. Some Northeastern and Northwestern USA populaces remain in their atmospheres year- round. British reproduction birds are virtually totally resident, and those in Northwest Russia winter season in the Baltic Sea. Throughout harsh winters months, birds in the Baltic relocation Southwest.


Mergansers are predators that primarily eat fish and water invertebrates.

What Does the Merganser Bird Eat?

Their main diet is fish, however they will certainly likewise eat mollusks, insects, worms, shellfishes, frogs, birds, tiny creatures, and plants. Throughout the winter season, they eat a fish- hefty diet, consisting of salmon, trout, sculpin, sunfish, minnows, and eels. Throughout reproducing period’s warmer months, they enhance their fish diet with flies, dragonflies, water striders, beetles, caterpillars, spiders, snails, and mussels. They forage in much less than 13 feet of water by diving undersea and penetrating the debris with their lengthy, serrated expenses, promptly comprehending unsafe target. Their young eat water invertebrates for the initial 12 days prior to switching over to fish.

Predators, Hazards, and Conservation Status

The IUCN details the merganser’s population as “least concern.” Their substantial array, huge approximated population, and absence of fragmentations omit them from “endangered” condition. However like a lot of animals on our world, the merganser is prone to the results of environment adjustment. In the future, wildfires can blaze their environments, and springtime warm front can jeopardize the young in their nests.

What Consumes the Merganser?

Typical mergansers are just one of the top predators in the water food cycle, however that does not indicate this bird does not have its very own predators The survival price of merganser young is high, however they might periodically come down with red squirrels, black bears, northern flickers, and martens. Premature mergansers are vulnerable to predators like hawks, eagles, and owls. Aggressive fish like north pike might likewise make the most of young or weak birds.

Reproduction, Youthful, and Molting

Males launch courtship by promptly swimming in circles near the females, extending its neck upwards, and providing soft phone calls. Females will certainly lay anywhere from 6 to thirteen eggs in their very own or one more female’s nest. Females develop the nest website and nurture the eggs on their own; males desert the nest throughout the incubation procedure, leaving females to elevate the young. Incubation lasts 30 to 35 days, and the young leave the nest no greater than eventually after hatching out. The young can feed themselves, however the moms still take care of them for numerous weeks. They can fly within 65 to 70 days after hatching out. Mergansers get to sex-related maturation around 2 years of ages and can meet 13 years of ages.


The totality of their population is unidentified, however the IUCN approximates their international number in between 1.7 to 2.4 million. The European population is approximated at 134,000 to 206,000 fully grown people. Europe’s population is secure, and it has actually raised a little over the last 40 years in The United States and Canada. As a result of the Merganser’s large array, brief- term fads and variations are not tape-recorded. Some teams are secure, while others have irrelevant boosts and reductions.

Up Following:


  1. Red List / BirdLife International, Available here:
  2. Canadian Science Publishing / C. C. Wood and C. M. Hand, Available here:
  3. The Common Merganser / Amanda Bales, Available here:
  4. JSTOR / The Condor / Bertin W. Anderson, Michael G. Reeder and Richard L. Timken, Available here:
  5. Reproduction & Prenuptial Migration, Available here:

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