(n.) Any species of sea duck of the genus Somateria, esp. Somateria mollissima, which breeds in the northern parts of Europe and America, and lines its nest with fine down (taken from its own body) which is an article of commerce; -- called also eider duck. The American eider (S. Dresseri), the king eider (S. spectabilis), and the spectacled eider (Arctonetta Fischeri) are related species.
Example Sentences:
(1) They're partial to the odd eider duck and do lots of nifty fish-plucking from the waves.
(2) No significant difference in P. botulus abundance was found between eiders taken alive and those collected dead from the shore line, or between adult males and adult females.
(3) Specimens of female and male eider (Somateria mollissima) were collected in Svalbard.
(4) Eider ducks showed clear tidal and seasonal cycles of display when involved in pair-formation behaviour.
(5) Captive eiders were used to determine the developmental rate of female P. botulus and the percentage of administered cystacanths which established in the intestine.
(6) The eider duck (Somateria mollissima), although a short-distance migrating bird whose diet is composed mainly of mussels and crustaceans, and which lives along a great part of the Swedish coastline, is suggested as a biomonitor of cadmium for the aquatic environment.
(7) Oxygen consumption (VO2), body temperature (TB) and electric muscle activity (EMG) were measured at varying ambient temperatures (TA) in common eider ducklings from the eggs pipped to 1 day after hatching.
(8) Outbreaks of avian cholera (Pasteurella multocida) occur frequently in common eiders (Somateria mollissima dresseri) in Maine during early summer.
(9) Incubating female eiders lost their infection in almost all cases, suggesting that a seasonal pattern of infection must also occur in these birds.
(10) The lipophilic components of choline phosphoglycerides and ethanolamine phosphoglycerides obtained from the salt gland of herring gull and eider duck and from the rectal gland of spiny dogfish were investigated by means of thin-layer chromatography, gas chromatography, and gas chromatography-mass spectrometry.
(11) The significance of these changes for the scaling of thermoregulatory heat generation in the newly hatched eider duckling is discussed.
(12) Seriously damaged eider ducks (Somateria mollissima) and long-tailed ducks (Clangula hyemalis) were shot in connection with an oil spill in 1974.
(13) The technique is illustrated for eider ducks, using data from Coulson (1984, Ibis 126, 525-543).
(14) DDE, PCBs, and mercury residues were highest in cormorant and petrel, intermediated in alcids, and lowest in eider and tern.
(15) The female eider fasts completely from the start of egg laying to the end of hatching.
(16) The abundance of Profilicollis botulus was monitored in eider ducks for 3 years.
(17) Eiders in their first winter had P. botulus abundances which were approximately 10 times that of adult eiders, but by the following summer the abundance had declined to that found in adults.
(18) The identification of the species was verified by the examination of co-types and specimens from eider ducks, Somateria mollissima (L.), from Scotland and oldsquaw, Clangula hyemalis (L.), from New Brunswick.
(19) Specimens of male and brooding female eider (Somateria mollissima) were collected in Svalbard.
(20) Organochlorine and mercury concentrations are reported for 252 eggs of Leach's storm-petrel (Oceanodroma leucorhoa), double-crested cormorant (Phalarocorax auritus), common eider (Somateria mollissima), common tern (Sterna hirundo), razorbill (Alca torda), common murre (Uria aalge) black guillemot (Cepphus grylle), and Atlantic puffin (Fratercula arctica) from the Bay of Fundy, the Gulf of St. Lawrence, and the open Atlantic shore of Canada during 1970-76.
Hider
Definition:
(n.) One who hides or conceals.
Example Sentences:
(1) In view of the fact that harmaline is a non-competitive inhibitor of Ca-induced contractions (Hider et al., Europ.
(2) Mother-young relations conform to the "hider type" among bovids.
(3) The model of Hider and Ragnarsson [(1980) FEBS Lett.
(4) (1974), Chou and Fasman (1974a,b), Lim (1974) and Dufton and Hider (1977).
(5) These results are similar to those reported by Dufton and Hider (Eur.