Smew (Mergellus albellus) [XC466526]
by Lars Edenius from Gmina August\u00f3w (near August\u00f3w), augustowski, podlaskie, Poland (song)
Smew (Mergellus albellus) [XC674897]
by Albert Lastukhin from Momskiy Natsional'nyy Ulus, Sakha Republic, Russian Federation (song, wing noise in flight)
Nest
In a hole of a tree and nestboxes.
Eggs (Guide)
Usually 6 - 9; creamy-buff. Incubation: about 28 days; by female.
The Reader's Digest Book of British Birds 1980, 3rd Edition, Drive Publications Ltd ISBN 0 340 25308 8
Birds in Colour Campbell, B., 1960, Penguin Books Ltd
The Pocket Guide to Nest and Eggs Fitter, R.S.R., 1954, Collins
RSPB Handbook of British Birds Holden, P., Cleeves, T., 2002, A & C Black ISBN 0 7136 5713 8
Birds of Britain and Europe Sterry, P., et al., 2001, AA Publishing ISBN 0 7495 3068 5
The Popular Handbook of British Birds Hollom, P.A.D., 1973, H.F. & G. Witherby Ltd ISBN 0 85493 002 7