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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 Very little has been published on the subject and no doubt a good many unpublished records, especially those made on voyages, are in existen...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 ...

High speed photography as an aid to the identification of prey-II

01 March 1952 Comments Main paper IN a previous note (antea, vol. xlii, p. 358) we drew attention to the fact that high-speed flash photography of birds feeding young, frequently enables the prey to be identified because greater clarity is obtained when very short exposures are used. Duri...

"Casting" by Shetland Wren Nestlings

01 March 1952 Comments Main paper ON the day when young Shetland Wrens {Troglodytes t. zetlandicus) left their nest on Fetlar small quantities of a rufous-brown paste were noticed on a boulder under the entrance. Some of it was scraped off and later examined under the microscope. It was ...

Studies of some species rarely photographed. XXXVII. The Shore-Lark.

01 March 1952 Comments Main paper W E are once again indebted to Mr. Swanberg for a series of plates, this time of the Shore-Lark (Eremophila alpestris). The pictures were all taken on a field near Svaipa in Swedish Lapland (Lat. 66Â° 10'N.) and show very well the bare stony nature of t...

Visible migration at Land's End

01 March 1952 Comments Main paper THE study of visible migration, initiated by Eagle Clarke (1912), has received a new impetus in the last few years. In October, many Sky-Larks (Alauda arvensis), Chaffinches (Fringilla caslebs) and Starlings (Sturnus vulgaris), with smaller numbers of oth...

Letters

01 September 1950 Comments Letters S I R S , -- I n their paper on this subject in British Birds, vol. xlii, p. 325, David and Elizabeth Lack write t h a t Dr. D. A. Bannerman in his note on Chaffinch Migration in .British Birds, vol. xxxvii, p . 177, supposed t h a t the birds he saw in N...

Reviews

01 September 1950 Comments Reviews Report of the Natural History Section of the Wiltshire Archcsological &· Natural History Society, 1947 and 1948. Some of the interesting records in these two carefully compiled reports have already appeared in British Birds : a Roller reported (antea, v...

Notes

01 September 1950 Comments Notes WITH regard to the swimming of small passerines (antea, vol. xl, pp. 179, vol. xlii, p. 183, vol. xliii, p. 121), the following incidents may be of interest. At the Eye Brook Reservoir, Leicestershire, a colony of Tree-Sparrows (Passer montanus) uses the...

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Letters

Reviews

Notes

High speed photography as an aid to the identification of prey-II

"Casting" by Shetland Wren Nestlings

Studies of some species rarely photographed. XXXVII. The Shore-Lark.

Visible migration at Land's End

Letters

Reviews

Notes

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