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The canvasback has a distinctive wedge-shaped head and long graceful neck. The adult male (drake) has a black bill, a chestnut red head and neck, a black breast, a grayish back, black rump, and a blackish brown tail. The drake's sides, back, and belly are white with fine vermiculation resembling the weave of a canvas, which gave rise to the ...
Redhead (bird) The redhead (Aythya americana) is a medium-sized diving duck. The scientific name is derived from Greek aithuia, an unidentified seabird mentioned by authors including Hesychius and Aristotle, and Latin americana, of America. [2] The redhead is 40–56 cm (16–22 in) long with an 74–84 cm (29–33 in) wingspan; the weight ...
Aythya is a genus of diving ducks, with twelve species currently accepted. [2] The genus was described in 1822 by the German zoologist Friedrich Boie, with the type species being greater scaup. [3][4] The name Aythya comes from the Ancient Greek word αυθυια (authuia), which may have referred to a sea-dwelling duck. [5] The species are ...
Fuligula affinis Eyton, 1838. Songs and calls. Listen to Lesser Scaup on xeno-canto. The lesser scaup (Aythya affinis) is a small North American diving duck that migrates south as far as Central America in winter. It is colloquially known as the little bluebill or broadbill because of its distinctive blue bill.
Nyroca ferina (Linnaeus, 1758) The common pochard[2] (/ ˈpɒtʃərd /; Aythya ferina), known simply as pochard in the United Kingdom, is a medium-sized diving duck in the family Anatidae. It is widespread across the Palearctic. It breeds primarily in the steppe regions of Scandinavia and Siberia, and winters further south and west.
The Indonesian Wikipedia is the fifth-fastest-growing Wikipedia in an Asian language after the Japanese, Chinese, Korean, and Turkish language Wikipedias. It ranks 25th in terms of depth among Wikipedias. Its first article was written on 30 May 2003, [1][2] yet its Main Page was created six months later on 29 November 2003.
Birds are a group of warm-blooded vertebrates constituting the class Aves (/ ˈ eɪ v iː z /), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweight skeleton.
The mourning dove is a medium-sized, slender dove approximately 31 cm (12 in) in length. Mourning doves weigh 112–170 g (4.0–6.0 oz), usually closer to 128 g (4.5 oz). [ 26 ] The mourning dove has a wingspan of 37–45 cm. [ 27 ] The elliptical wings are broad, and the head is rounded.