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Letters

01 October 1950 Comments Letters --I am engaged in investigating t h e ringing records of Blue Tits. Amongst the known causes of death it is astonishing to find that the mousetrap is a principal one. I t may be necessary to place r a t and mouse traps in gardens, b u t I suggest that the...

Notes

01 October 1950 Comments Notes WITH reference to the note (antea, p. 54) on this topic, in June, 1949, an Arctic Tern (Sterna macrura) made repeated stoops at my companion, Dr. H. K. Whitehouse, while he was standing by the bank of the river in Hvalfjordur a few yards from our camp in...

Methods of determining breeding-cliff populations of Guillemots and Razorbills

01 October 1950 Comments Main paper A CENSUS of cliff-nesting seabirds is usually carried out by making a careful count of every occupied nest, thus giving the number of breeding pairs. This is the most accurate method and can be carried out comparatively easily in the case of species that ...

Studies of some species rarely photographed: XXVII. Temminck's Stint, The Semipalmated Sandpiper, The Little Stint

01 October 1950 Comments Main paper Photographed by C. G. DES FORGES and j . E. SLUITERS. (Plates 50-59)IN the present instalment of this series we illustrate the two European stints and one of the American species on the British List. Temminck's Stint (Calidris temminckii) has a wide bree...

Recovery of marked birds

01 October 1950 Comments Main paper Fair Isle Bird Obs., 8.6.49. Noness, Shetland, 25.10.49. Rogart (Suth.), 26.5.49, D y Bushmills (Antrim), 3.12.49. R. Carrick. St. Osyth (Essex), 17.5.49, Boston (Lines.), 13.11.49 by R. W. Arthur. [95 m. N.N.W.].Chipping (Lanes.), 23.3.50 [170 m. S.]. Ly...

Seasonal fluctuations in the song of the Sky-Lark

01 February 1947 Comments Main paper ALTHOUGH a great deal has been written on the subject of bird song, relatively little is known about seasonal and daily fluctuations in song output. Alexander's [i, 2] work accounts for a very large number of species and gives the dates between which bir...

Letters

01 February 1947 Comments Letters SIRS,--With reference to Colonel Ryves's note (antea, Vol. xxxix, p. 375} oa a clutch of two eggs only, of the Blackbird (Turdus Â»Â». merula), I wish to point out that this number of eggs for a full clutch is not extremely abnormal. I cannot but thin...

Reviews

01 February 1947 Comments Reviews South-Eastern Bird Report, being an Account of Bird-Life in Kent, Surrey and Sussex during 1944. Edited by Ralph Whitlock. Ditto (including Hampshire) for 1945. THE 1944 South-Eastern Report, delayed by printing difficulties, was not available when our no...

Notes

01 February 1947 Comments Notes ON April ioth, 1946, at Englefield Green, Surrey, I watched a Starling (Sturnus v. vulgaris) singing on the ground, everywhere following another which, completely ignoring him, was busily engaged in feeding. Each time the feeding bird stopped, the singer...

Blue Snow-Geese in Co. Wexford

01 February 1947 Comments Main paper ON January 8th, 1946, at the end of a long day on the North Slob, Co. Wexford, Ireland, and with light beginning to fail, we saw two geese amongst a large flock of Grey Lag-Geese (Anser a. anser) which had what appeared abnormal marking of the head and n...

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Letters

Notes

Methods of determining breeding-cliff populations of Guillemots and Razorbills

Studies of some species rarely photographed: XXVII. Temminck's Stint, The Semipalmated Sandpiper, The Little Stint

Recovery of marked birds

Seasonal fluctuations in the song of the Sky-Lark

Letters

Reviews

Notes

Blue Snow-Geese in Co. Wexford

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