The redhead 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 Am
Redhead Aythya americana, Oakley Street, Cambridge, Maryland
A Readhead Hen Swimming with her Babies
Neck-stretching courtship ritual of the adult male redhead depicted in Audubon's Birds of America in 1843.
The mallard or wild duck is a dabbling duck that breeds throughout the temperate and subtropical Americas, Eurasia, and North Africa. It has been introduced to New Zealand, Australia, Peru, Brazil, Ur
An American black duck (upper left) and a male mallard (lower right) in eclipse plumage
Mallards are among the most common bird species to exhibit aberrant colouration, typically due to the influence of escaped domesticated ducks, more rarely to genetic mutations. The female pictured here is leucistic; leucism in birds often results in 'cream-coloured', 'apricot' or muted feathers on certain parts of the body.
Drake mallard performing the grunt-whistle