### animal | vertebrate | bird | waterfowl | duck:

Mallard duck
* Most mallard ducks have brown color
  - diets
* Most mallard ducks have light brown color
* Some mallard ducks mate for life.
* are believed to survive longer in captivity than in the wild
  - especially adaptable to almost every human environment
  - omnivorous
  - one the most popular species of waterfowl to hunt
* are the ancestors of almost all other varieties of domestic ducks
  - great swimmers
* have a varied diet
  - various behavioral adaptations that help protect their young
  - vary diets
* molt after the breeding season.
* stay near ponds as long as there is some open water.
* tend to stay in Central America in the middle of the year.
* test a specialized pool for housing seabirds.

### animal | vertebrate | bird | waterfowl | duck | mallard:

Female mallard
* Most female mallards have senses.
* have a sense of homing when returning to the breeding grounds
  - plain brownish plumage, with distinctive blue feathers on the wings

Male mallard
* Most male mallards have grayish or brownish feathers , a green colored head, and a purple breast
  - heads
* Some male mallards have chests
  - dark brown chests
* are silent except when fighting another male.
* have heads
  - no involvement in caring for their offspring
* molt earlier than females but all occur in late spring early summer.

Mandarin duck
* Most mandarin ducks have bills.
* Some mandarin ducks eat acorns
  - feed on seeds
  - have water
* Some mandarin ducks reach maturity
  - sexual maturity
* have appearances

Mule duck
* Most mule ducks have characteristics.
* are sterile but can be good meat producers.

Ornamental duck
* Some ornamental ducks are capable of making several different calls and or whistles.
* differ from domestic ducks in several ways.

Perch duck
* Most perch ducks prefer habitats.
* Some perch ducks have fruit
  - patches
  - wing patches

Pintail
* are common breeding ducks throughout the state, especially in the coastal tundra areas
  - graceful fliers that are capable of high speeds
  - medium-sized ducks with slender, elegant lines and conservative plumage coloration
  - the first duck to arrive and signal the beginning of winter migration
  - very wary, long-lived ducks that tend to survive at higher rates than other ducks
* help a skimboard to be very stable in the water.

Pochard
* All pochards have a black breast and gray back with a white underside.
* are ducks
  - uncommon breeding birds, largely restricted to east England and Scotland
* ride the calm waters of lagoons, estuaries and bays in large mixed groups.

Puddle duck
* Most puddle ducks eat food.
* are able to lift off from water or land immediately
  - excellent swimmers, sure-footed on land, and swift agile fliers
* dislike flying low over other puddle ducks on the water.
* feed in the water along the fringes of islands and shorelines and on dry land.
* tend to feed at the crack of dawn.

Sea duck
* are also divers
* eat mollusks and crustaceans.
* stop to rest and take shelter from northeast storms.

### animal | vertebrate | bird | waterfowl | duck | sea duck:

Eider
* are a circumpolar resource
  - colonial breeders
  - rivers
  - sea ducks
+ Common Eider, Social behaviour: Ducks :: Birds of Europe :: Birds of Turkey
  * Eiders are colonial breeders. They nest on coastal islands in colonies ranging in size of less than 100 to upwards of 10,000-15,000 individuals. Chapdelaine, G., P. Dupuis and A. Reed. Canadian Wildlife Service Report Series no. Female eiders often return to breed on the same island where they were hatched. This can lead to a high degree of relatedness between individuals nesting on the same island.

Eider duck
* are famous for having particularly soft down feathers on the trunk of their bodies.
* use their down to line their nests and cover their eggs.