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Reports from Britain of Black-headed Gulls Ringed in the Oberlausitz, East Germany

01 February 1958 Comments Main paper " L A R G E NUMBERS of ringed Black-headed Gulls (Larus ridibundus) are reported in Britain each winter, the places of origin being chiefly the countries of northern Europe, with a not inconsiderable number from Czecho-Slovakia, Saxony and B a v a r i a "...

Photographic studies of some Less Familiar birds: LXXXV. Pygmy Owl

01 February 1958 Comments Main paper T H E PYGMY O W L (Glaucidiutn passerimitn) is a Palaearctic species which h a s not yet been recorded in Britain, though in western Europe t h e typical form is found in central and northern Scandinavia, Finland, French Jura, the Alps (including - Switze...

British recoveries of birds Ringed Abroad

01 February 1958 Comments Main paper [This list continues from that published in 1956 (antes, vol. xlix, pp. 438-452). Among records of special interest included in it are a number relating to wildfowl, which help to show the lelation of breeding areas to winter quarters. Camargue-ringed Mal...

The birds of Tiree and Coll

01 February 1958 Comments Main paper of Zoology, Glasgow University*) (Plates 18-20) T H E islands of Tiree and Coll, Inner Hebrides, lie totally within the vice-county Mid Ebudes (103). Situated between Mull and the Barra Isles, they stretch some 45 miles S . W . into the ocean from Ardnamu...

A Note on the Songs of Chaffinches and Yellow Buntings

01 December 1940 Comments Main paper IN the course of my study of the songs of birds, I have come across a factor in the make-up of the song of the Chaffinch (Fringilla c. gengleri), which, from the complete absence of any reference to it in such essays on bird song as I have read, would app...

The Development of the Song in Young Chaffinches

01 December 1940 Comments Main paper DURING the last five years I have had several opportunities, at various times of the year, of observing young Chaffinches (Fringilla c. gengleri) and of tracing the development oftheir typical spring song. Three stages are distinguishable during the cours...

Notes on the Birds of Achill Island and Bills Rocks, Co. Mayo

01 November 1940 Comments Main paper VERY little has been written about the birds of Achill. The only paper hitherto published specifically on them appears to be one by Patten in the Irish Naturalist in 1908 from notes made in September. Full notes on the status of the birds . of Achill wer...

Report on the Effect of the Severe Winter of 1939-40 on Bird-Life in the British Isles

01 November 1940 Comments Main paper IN response to our requests for information on this subject we have received a large number of reports. The amount of information observers were able to give varied greatly and many, owing to various reasons, were unable to make comparisons of the number ...

Birds Brooding on Empty Nests

01 October 1940 Comments Main paper MY brother and I have found Buzzards (Buteo b. buteo) brooding on an empty nest in the Radnorshire hilis when quite a different nest was the one that was going to be used even if it did not already contain eggs. A Peregrine Falcon will sometimes brood in ...

The Inner Territory of the Black-Headed Gull

01 October 1940 Comments Main paper THE present writer in a book--Bird Behaviour--made a statement to the effect that " the territory of a Black-headed Gull (L. ridibundus) has no fixed boundary : it may react to an intruder at a distance of two feet or less, or at two yards or more " (p. 3...

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