Red breasted merganser
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. The Red-breasted Merganser is a shaggy-headed diving duck also known as the "sawbill"; named for its thin bill with tiny serrations on it that it uses to keep hold. Long-bodied duck with a thin bill and shaggy crest. Breeding males have a dark green head, brown breast, and gray sides. Females and immature males have a . The Red-breasted Merganser, Mergus serrator, drake has a green head with a distinctive spiky green crest. Its bill is long, narrow and red. Its eyes are red, the neck collar is white and the chest is reddish brown. It has a black back and a white belly. The hen has a brown head with a long brownish. Long-bodied duck with a thin bill and shaggy crest. Breeding males have a dark green head, brown breast, and gray sides. Females and immature males have a brown head and gray body. Bill is dull red. Separated from Common Merganser by thinner bill, shaggier crest, and slimmer shape overall. Dives to catch fish on large bodies of water, including freshwater lakes and coastal regions. The UK breeding population of red-breasted mergansers are concentrated in the north-west of Scotland, England, Wales and in parts of N Ireland.