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The ring-necked duck (Aythya collaris) is a diving duck from North America commonly found in freshwater ponds and lakes. [3] The scientific name is derived from Greek aithuia , an unidentified seabird mentioned by authors including Hesychius and Aristotle , and Latin collaris , "of the neck" from collum , "neck".
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 αἴθυιᾰ ( aithuia ), which referred to an unknown diving-bird.
Hybrid ducks of the genus Aythya include birds that are a mixture of tufted duck, greater scaup, pochard, ferruginous duck and ring-necked duck. List of duck hybrids: Northern pintail × mallard; Ruddy duck × white-headed duck; Ruddy shelduck × shelduck; White-faced whistling duck × plumed whistling duck; Baikal teal × northern pintail ...
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Female and immature hybrids typically lack the white bill base, except in those between lesser scaup and ring-necked duck, where the white extends to the eye region. But especially with juveniles, the bi-colored bill of hybrids is most diagnostic.
To prevent cold weather injuries, ducks need to have insulating layers of hay, straw or wood chips laid on the ground to prevent injuries to their feet. A heated barn or coop is also important ...
Callonetta leucophrys - MHNT. The ringed teal (Callonetta leucophrys) is a small duck of South American forests. It is the only species of the genus Callonetta.Usually placed with the dabbling ducks (Anatinae), this species may actually be closer to shelducks and belong in the subfamily Tadorninae; its closest relative is possibly the maned duck.
In March, a mother was horrified to find a pedophile symbol on a toy she bought for her daughter. Although the symbol was not intentionally placed on the toy by the company who manufactured the ...