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see duckduck,
common name for wild and domestic waterfowl of the family Anatidae, which also includes geese and swans. It is hunted and bred for its meat, eggs, and feathers. Strictly speaking, duck refers to the female and drake to the male.
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(ī`dər), river, 117 mi (188 km) long, rising S of Kiel, N Germany, and flowing N to the Kiel Canal before turning west and meandering to the North Sea at Tönning. It is navigable for most of its length. The Eider's lower course is regulated by locks; part of its upper course is followed by the Kiel Canal. The river separates Schleswig from Holstein.
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, eider duck
any of several sea ducks of the genus Somateria, esp S. mollissima, and related genera, which occur in the N hemisphere. The male has black and white plumage, and the female is the source of eiderdown
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
References in periodicals archive ?
On the breeding grounds in Finland 2-3 eider females were the optimal number of tenders that maximized daily survival of ducklings (Ost et al.
He said: "Eiders don't need all the extra food that humans give them -- unlike other birds their food supply is always there throughout the winter, so they don't need our chips.
In rocky shallows, eiders dive for shellfish, which they swallow whole - their tough stomachs digest shell and all.
Just as the eider population teetered on the brink of extinction, a series of events coincided, allowing the birds to build their numbers.
Other possible threats cited in the Service's 2002 Steller's Eider Recovery Plan include exposure to oil and other contaminants; a drop in mussels, clams, and other marine invertebrates that eiders feed on; and collisions with fishing boats.
* inform the public about Steller's eiders and involve communities in the decision-making processes related to eider conservation issues,
Although Barrow is located on the shores of the Arctic Ocean, the biggest expense of operating the King Eider Inn is that associated with water usage.
Eider predation had only a short-term effect on the relative abundance of invertebrates.
Today the area also supports regionally and nationally important numbers of common eider in the non-breeding season.
Williams said: "It's great - he was a bit unlucky in the Eider Chase and the Somerset National.
BAGGING A BANDED bird, even one as uncommon as a common eider, is not so exceptional for Massachusetts hunter Ken Schopp.