Adult male duck

These are external links and will open in a new window. Last year, I was surprised to find my female mandarin duck was turning into a male. Even as a zoology graduate and someone who has kept birds in an aviary since I was 10 years old, I had absolutely no idea this could happen, so I started investigating, and it turns out that the way birds express their sex is a fiendishly complex affair. They have been kept in captivity in the UK for decades after bird keepers became enamoured by the male's incredible breeding plumage. This plumage is a secondary sexual characteristic of the males, and is dependent on the time of year, with males moulting out of a female-like dull brown colouration in the Autumn. My female, being happily paired with a male mandarin in my aviary, bucked this trend by growing male feathers.
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26.11.2019
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Understanding Backyard Duck Behavior - The Cape Coop

Duck is the common name for numerous species in the waterfowl family Anatidae which also includes swans and geese. Ducks are divided among several subfamilies in the family Anatidae; they do not represent a monophyletic group the group of all descendants of a single common ancestral species but a form taxon , since swans and geese are not considered ducks. Ducks are mostly aquatic birds , mostly smaller than the swans and geese, and may be found in both fresh water and sea water. Ducks are sometimes confused with several types of unrelated water birds with similar forms, such as loons or divers, geese , grebes , gallinules and coots. Other Germanic languages still have similar words for "duck", for example, Dutch eend "duck", German Ente "duck" and Norwegian and "duck".
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Fun Facts About Ducks

Ducks make a wonderful addition to any backyard farm. You know they are super cute, but did you know these 11 Amazing Facts About Ducks? They can sleep with one eye open — Ducks can turn off half their brain while keeping the other half alert for predators. Duck Terms — A baby duck is called a duckling , a male is a drake and a female is a hen or duck.
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Brehm , disputed. This duck belongs to the subfamily Anatinae of the waterfowl family Anatidae. The male birds drakes have a glossy green head and are grey on their wings and belly, while the females hens or ducks have mainly brown-speckled plumage.

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