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Reviews

01 June 1971 Comments Reviews Les Oiseaux du Proche et du Moyen Orient. By F. Hue and R.-D. Etchecopar. N. Boubee et Cie, Paris, 1970. 952 pages; 32 colour and 2 black-and-white plates and 356 line-drawings by Paul Barruel; 429 distribution maps; 2 end-maps. Fr 220.00. The two disting...

Notes

01 June 1971 Comments Notes Black Terns feeding over dry land Recent notes (Brit. Birds, 62: 282; 63: 34; 64: 32-33) have suggested that Black Terns Chlidonias niger feed over non-aquatic habitats more commonly than the published records indicate. This is certainly borne out by obse...

Flight identification of European raptors

01 June 1971 Comments Main paper Identification of birds of prey in flight will always be a problem. The best of us will never be able to feel completely confident about a group of species that shows such diversity of plumage, whose silhouettes vary in different circumstances and for whi...

Editorial: Field identification and birds of prey

01 June 1971 Comments Editorials British Birds has always prided itself on the encouragement it has given to bird identification. As far back as 1907, the first volume included an article by the Hon. Walter Rothschild on the separation of Willow Tits Paus montanus and Marsh Tits P. palus...

Stonechats in Jersey

01 June 1971 Comments Main paper ...

Notes

01 July 1941 Comments Notes ON May 18th, 1924, my father and I found the nest of a Siskin (Carduelis spinus) at Acharacle, Argyll. It was about twenty feet up on the spreading bough of an exotic fir (species not recorded) in a large garden. When my father climbed to it, both birds ...

Report on the effect of the severe winter of 1939-40 on bird life in the area within 20 miles of London

01 July 1941 Comments Main paper THIS report is intended to supplement the " Report on the effect of the severe winter of 1939-40 on bird-life in the British Isles " which has already appeared in this journal (antea, Vol. xxxiv, pp. 118, 142), and details which were given there, such as ...

Intelligence tests with Tits

01 July 1941 Comments Main paper the idea of testing the ability of birds to solve problems, I carried out some experiments in February, 1941, which seemed to need a definite amount of intelligence for their solution. My subjects were a pair of Blue Tits (Parus c. obscurus), and a pair o...

The Diving Habits of Ducks and Grebes

01 July 1941 Comments Main paper an opportunity has occurred during the last few years we have timed the dives of two or more species of diving birds feeding together at the same place and working at the same depths at Lisvane Reservoir, near Cardiff. Comparing the results thus obtained ...

Review

01 July 1922 Comments ...

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Reviews

Notes

Flight identification of European raptors

Editorial: Field identification and birds of prey

Stonechats in Jersey

Notes

Report on the effect of the severe winter of 1939-40 on bird life in the area within 20 miles of London

Intelligence tests with Tits

The Diving Habits of Ducks and Grebes

Review

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