Eider Identification

Eiders are a large, heavily built, duck with a distinctive wedge shaped beak and long sloping forehead

(Eider head details taken from images by Tom Cadwallender. Note the wedge-shaped bill and sloping forehead)


Males in particular are easily spotted with their white and black colouring, black cap and greenish neck markings. They also have a distinctive cooing call.


Male eider. Note the black and white colouration, black cap and greenish markings on the neck (Photo: Tom Cadwallender)


Female eiders are a reddish-brown colour with distinctive black barring on the feathers.


Female eider with brown feathers and distinctive black barring on feathers (Photo: Tom Cadwallender)