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 Very little has been published on the subject and no doubt a good many unpublished records, especially those made on voyages, are in existen...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

Some notes on the Crested Lark

01 June 1948 Comments Main paper the summer of 1940 until May 1945 we were in various prison camps scattered over Germany and Poland. For most of the time two of us were together. In 1946 one of us was for a short time again in Germany. Crested Larks (Galerida c. cristata) were seen wher...

Letters

01 June 1948 Comments Letters SIRS,--The Royal Naval Bird-Watching Society has now been in existence for just over a year. I t has some t w o hundred and sixty members drawn from the ranks of t h e Royal Navy, Royal Australian, Canadian and New Zealand Navies. These observers range fr...

Notes

01 June 1948 Comments Notes As a member of the local fire brigade I was able to make some close observations on the behaviour of birds at a big oil-tank fire at Pembroke Dock in August and September, 1940. The fire blazed for many days and gave rise to intense heat and an immense c...

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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

Some notes on the Crested Lark

Letters

Notes

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