(n.) Any one of several species of fresh-water ducks, especially those belonging to the subgenus Mareca, of the genus Anas. The common European widgeon (Anas penelope) and the American widgeon (A. Americana) are the most important species. The latter is called also baldhead, baldpate, baldface, baldcrown, smoking duck, wheat, duck, and whitebelly.
Example Sentences:
(1) It can be a surprisingly noisy place, what with the barking of the muntjac deer, the croaking of the frogs, the quacking of the widgeons … Look and listen out for Faint lights near the ground, especially in June and July.
(2) We have previously reported that some species of migrating ducks (pintail, mallard, widgeon and falcated teal) possess in their sera antibodies against H antigens of human or avian influenza viruses.
Wigeon
Definition:
(n.) A widgeon.
Example Sentences:
(1) Eighty-five American wigeon (Anas americana) died after grazing on one treated fairway on the day of application following irrigation.
(2) American wigeon appear to be vulnerable to exposure to diazinon.
(3) There was evidence for a sequential mortality similar to that reported previously at this site: coots were the first birds to die, followed by American wigeon (Anas americana) and northern pintails (A. acuta acuta); northern shovelers (A. clypeata) and mallards (A. platyrhynchos) died late in the epizootic.
(4) The parasite fauna was more similar to those of the black duck Anas rubripes Brewster of eastern North America (53%), the mallard, Anas platyrhynchos (L.) (49%), and the mottled duck, Anas fulvigula Ridgway, from Florida (45%), than to the green-winged teal, Anas crecca (L.) (36%), the gadwall, Anas strepera (L.) (30%), and the American wigeon, Anas americana Gmelin (26%), collected in the Southwest.
(5) Wigeon that died on the study area (n = 85) showed 44% to 87% depression of AChE (mean = 76%; SD = 7.1%) when compared to control wigeon (n = 3; AChE Activity = 1.86) AChE levels.
(6) The brains of all 85 wigeon were analyzed for acetylcholinesterase (AChE) activity.
(7) The land that would be submerged hosts about 68,000 birds in winter, including huge flocks of dunlins and shelducks, together with Bewick's swans, curlews, pintails, wigeons and redshanks.
(8) Upper GI tract contents of 15 of the 85 dead wigeon contained 0.96 to 18.1 ppm diazinon.
(9) A total of 37 strains of Y. pseudotuberculosis were isolated from 34 (5.6%) mammals, including 23 raccoon dogs (Nyctereutes procyonoides), eight deer (Cervus nippon), two hares (Lepus brachyurus), and one marten (Martes melampus), and from two (0.8%) birds, including one eastern spot-billed duck (Anas poecilorhyncha) and one wigeon (Anas penelope).