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Reviews

01 April 1968 Comments Reviews The Pictorial Encyclopedia of Birds. By J. Hanzak, Paul Hamlyn, London, 1967. 582 pages; 1,220 photographs (45 in colour) and 7 drawings. 30s. This Anglo-Czech production, refreshingly inexpensive as such, is edited by Bruce Campbell, whose foreword de...

Wigeon X Chiloe Wigeon hybrid resembling American Wigeon

01 April 1968 Comments Main paper It has been established that some interspecific hybrids among ducks and geese (Anatidae) strongly resemble one parent or even another species altogether, thus causing problems in field-identification. An extreme case in Britain is the hybrid Pochard Ay...

Notes

01 June 1935 Comments Notes CERTAIN results accumulated during several years of trapping and ringing in a garden are offered below. These are confined to information obtained by operations in a fixed and limited area; observations obtained in other ways, either in the garden or in ...

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Wigeon X Chiloe Wigeon hybrid resembling American Wigeon

Notes

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