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Canon Powershot sx10is
Mallards, a dabbler, tips into the shallow waters and pluck seeds, grasses, or invertebrates from the bottom. Will also eat insects from the water surface.
Courtship ritual includes males pumping their head, bill dipping, and rearing up to exaggerate his size. The female signals consent by duplicating the males head-pumping.
Common migration and winter resident at lakes and ponds.
Molting & Eclipsed males are similar to females but with yellow or olive bill. Ducks shed most of their feathers twice each year, and in mid-summer most male ducks molt from the bright and colorful breeding plumage into a drab, female-like “eclipse plumage”. The reason for this is that ducks have a rapid but complete molt after breeding, dropping both body and wing feathers, and for a few weeks are completely flightless. Temporarily unable to escape predators by flying away, many male ducks have opted to do what the females do for most of the year and merge safely into the background.
Last part of information was copied from ‘Eclipse’ Plumage a very informative web page by Charlie Moores, writer, photographer, and world birder extraordinaire, among a few.