Search

Letters

01 December 1956 Comments Letters I N T E R P R E T A T I O N O F V A R I A T I O N AMONG T H E YELLOW WAGTAILS S I R S , -- May I ask a little of your space in which to comment on some points in Dr. Mayr's summing-up (antea, pp. 115-119) of our present state of knowledge of the Yellow Wa...

Reviews

01 December 1956 Comments Reviews Edited by Major-General H . P . W . HUTSON, C.B., D . S . O . , O . B . E . , M.C. (Published by British Ornithologists' Union and distributed by H . F . & G. Witherby, Ltd., London, 1956). 268 pages. 21/-, postage 1/6. MANY ornithologists who spend much...

Notes

01 December 1956 Comments Notes Albinism related to age.--With reference to notes on this subject (antea, vol. xlvii, p . 406; vol. xlix, p . 153), I have come across a similar case, also with a male Blackbird (Turdus merula). The bird was ringed at Burgess Hill, Sussex, on 13th Decembe...

The Food of Nestling Purple Herons in Holland

01 December 1956 Comments Main paper IN late June 1956 we visited two colonies of Purple Herons (Ardea purpurea) in Holland in order to observe feeding and other behaviour for comparison with our studies in England of the Common Heron (A. cinerea). The colonies visited were at the Naardermee...

Obituary: A. W. P. Robertson (1908-1956)

01 December 1956 Comments Obituaries COMMANDER Alexander William Parrish Robertson, R . N . (Retd)., died on 13th June, 1956. Born a t Harlow, Essex, in August 1908 and educated at Harrow, he entered the Royal Navy in 1926 and served in China, the Mediterranean and Australia, followed by ser...

Photographic Studies of Some Less Familiar Birds: LXXVI. Osprey

01 December 1956 Comments Main paper (Plates 65-72) LIKE a number of the birds of prey, the Osprey (Pandion haliaetus) is a widespread species and h a s a breeding-range which extends from Alaska in the north-west to Australia in the south-east. It is, however, mainly a bird of the northern ...

Movements of House Sparrows

01 December 1956 Comments Main paper T H E migration of birds--the routes they take, the means by which they orient themselves and reach their destination--is at present receiving' considerable attention. The House Sparrow (Passer domesticus) is generally considered to be a sedentary bird an...

Letters

01 March 1952 Comments Letters SIRS,--We are hoping to collate information about visible migration over, and on the shores of, the Mediterranean. Very little has been published on the subject and no doubt a good many unpublished records, especially those made on voyages, are in existen...

Reviews

01 March 1952 Comments Reviews British Bird Boohs : An Index to British Ornithologv, A.D. 1481 to J.I). 1948. By Raymond Irwin (London, Grafton & Co., 1951. 63/-). The title of this book gives a very inadequate idea of its contents since it indexes and classifies, not only books, b u t...

Notes

01 March 1952 Comments Notes The Display of the Blackbird.--During observations on four pairs of Blackbirds (Turdus merula) in 1949, and on the same four pairs with the addition of another in 1950, the following display was noted. All of the birds concerned were recognizable in the ...

Stay at the forefront of British birding by taking out a subscription to British Birds.

Subscribe Now

Search

Letters

Reviews

Notes

The Food of Nestling Purple Herons in Holland

Obituary: A. W. P. Robertson (1908-1956)

Photographic Studies of Some Less Familiar Birds: LXXVI. Osprey

Movements of House Sparrows

Letters

Reviews

Notes

Sign Up to our Newsletter