red breasted merganser

Male has spiky crest, white collar, ginger breast, and grey flanks. Female, and eclipse/immature male, more dosely resemble respective plumages of Goosander and are best told by slimmer appearance, with slimmer bill, and narrower head with weaker and more ragged crest. Chestnut of head and upper neck is duller and contrasts less with grey lower neck and breast, throat is only slightly paier, and has browner body. In flight, white wing patch is broken by black bar, unlike on Common,

Habits are similar to Goosander, Coastal waters in Pakistan, large rivers and lakes.

Red-breasted mergansers dive and swim underwater. They mainly eat small fish, but also aquatic insects, crustaceans, and frogs.

The call of the female is a rasping prrak prrak, while the male gives a feeble hiccup-and-sneeze display call.

Winter visitor. Mainly Pakistan aiso India and Nepal The adult red-breasted merganser is 51&ndash62 cm (20&ndash24 in) long with a 70&ndash86 cm (28&ndash34 in) wingspan. The red-breasted merganser weight ranges from 28.2 to 47.6 oz (800 to 1350 g). It has a spiky crest and long thin red bill with serrated edges. The male has a dark head with a green sheen a white neck with a rusty breast a black back and white underparts. Adult females have a rusty head and a grayish body. Juveniles look similar to females but lack the white collar and have smaller white wing patches. The red-breasted merganser (Mergus serrator) is a diving duck one of the sawbills. The genus name is a Latin word used by Pliny and other Roman authors to refer to an unspecified waterbird and serrator is a sawyer from Latin serra "saw". The red-breasted merganser was one of the many bird species originally described by Carl Linnaeus in his landmark 1758 10th edition of Systema Naturae where it was given the binomial name Mergus serrator.