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Recent reports and News

01 April 1959 Comments News and comment The items here are largely unchecked reports, and must not be regarded as authenticated records. They are selected, on the present writers' judgment alone, from sources generally found to be reliable. Observers' names are usually omitted for reasons of sp...

Letters

01 April 1959 Comments Letters CROSSBILLS AT FAIR ISLE, 1956 SIRS,--May I point out some inaccuracies in the data concerning Crossbills (Loxia curvirostra) at Fair Isle in 1956, as given by Mr. F. R. Smith in his interesting paper "The Crossbillinvasion of 1956 and the subsequent breed...

Reviews

01 April 1959 Comments Reviews By LILLI KOENIG. Translated from the German by MARJORIE LATZKE. W i t h a foreword by KONRAD LORENZ. (Metheum, London, 1958). 159 p a g e s ; 24 photographs and many line drawings. 18s. T H E AUTHOR of this delightful book combines a scientific attitude ...

Notes

01 April 1959 Comments Notes Miss Jennifer Bak and I were on board' the Marine Biological Association's ship " S a r s i a " off Plymouth, Devon, near the Eddystone lighthouse, and saw a large migratory movement of b i r d s : in 4J hours' observation we counted some 1,600, mostly sm...

Photographic studies of some Less Familiar birds: XCVI. Ivory Gull

01 April 1959 Comments Main paper T H E IVORY GULL (Pagophila eburnea) is probably the most consistently northerly bird in the world as it nests only above the 70th parallel (chiefly between 75° and 85°N.) and remains, for the most part, at the edge of the pack ice in winter. Most colon...

Note on the display, Nesting and Moult of the Mute Swan

01 April 1959 Comments Main paper of Mute Swans (Cygnus olor) at stations in and around the T a y estuary, in east Scotland. T h e cycle of changes found during this period suggested complex movements of age-groups, and a study of their behaviour revealed some matters of interest relating...

The breeding Biology of the Ivory Gull in Spitsbergen

01 April 1959 Comments Main paper IN THE SUMMER of 1958 R. E. Hitchcock, J. L. Cutbill and ourselves spent just over three weeks at a colony of Ivory Gulls (Pagophila eburnea) in the Spitsbergen area. As the ice conditions were abnormally bad, our arrival at the colony was delayed until 1...

Recent reports and news

01 June 1958 Comments News and comment The items here are largelv unchecked reports, and must not be regarded as authenticated records. They are selected, on the present writers' judgment alone, from soiirccs generally found to be reliable. Observers' names are usually omitted for reasons of s...

Letters

01 June 1958 Comments Letters S I R S , -- U n d e r the above title (anlea, vol. L, p p . 432-434), R. Hewson has usefully drawn attention to the aerobatics-- familiar in individuals--that are sometimes performed by flocks of Ravens (Corvus corax) and has discussed questions suggeste...

Reviews

01 June 1958 Comments Reviews day Â·& Co., New York, 1949--first edition 1946--sponsored by the National Audubon Society). $3.95. A U D U B O N W A T E R B I R D G U I D E (Water, game and large land birds of eastern and central North America from southern Texas to central Greenland...

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Recent reports and News

Letters

Reviews

Notes

Photographic studies of some Less Familiar birds: XCVI. Ivory Gull

Note on the display, Nesting and Moult of the Mute Swan

The breeding Biology of the Ivory Gull in Spitsbergen

Recent reports and news

Letters

Reviews

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