Duck
Duck
Duck (/dʌk/), from the Old English dūce meaning "diver", is a common name for numerous species in the waterfowl family Anatidae. Ducks are generally smaller and shorter-necked than swans and geese, which are also members of the same family.
Etymology
The word "duck" comes from the Old English dūce "diver", a derivative of the verb dūcan "to duck, bend down low as if to get under something, or dive", because of the way many species in the dabbling duck group feed by upending; compare with Dutch duiken and German tauchen "to dive".
Anatomy
Ducks exhibit a broad array of physical adaptations to their environments. These include webbed feet for efficient swimming (see more), a flattened bill for sifting through water and mud for food (see more), and waterproof feathers to keep them buoyant and insulated (see more).
Behavior
Ducks are known for their iconic quacking sound, which is unique to the females of most species (see more). They are also known for their migratory behavior, often traveling thousands of miles each year to breed (see more).
Health
Ducks are susceptible to a variety of diseases and health conditions, including avian influenza (see more), botulism (see more), and duck viral enteritis (see more).
Related Terms
- Anatidae: The family of birds that includes ducks, geese, and swans.
- Dabbling Duck: A group of ducks which feed mainly at the surface rather than by diving.
- Diving Duck: A group of ducks that feed by diving beneath the surface of the water.
- Mallard: The most common and recognizable species of duck.
- Drake: A term for a male duck.
External links
- Medical encyclopedia article on Duck
- Wikipedia's article - Duck
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