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Notes on the spring Territory of the Blackbird

01 August 1941 Comments Main paper study was made on the Dartington Hall estate, South Devon, in 1940, when the abnormal cold weather in late January and early February made possible the trapping and colour-ringing of an unusually large number of Blackbirds (Turdus m. tnerula). Unfortunate...

Some breeding-habits of the Black-winged Stilt

01 August 1941 Comments Main paper THE following observations on the Black-winged Stilt (Himantopus k. himantopus) were made in the Camargue at the end of April and early May, 1937. For many reasons I was unable to observe the full breeding cycle. These notes therefore refer only to the bi...

Abstracts

01 August 1941 Comments Reviews Wuczeticz (1939). " Seasonal distribution and migration of ducks (subiam. Anatina) on the base of bird-ringing in the U.S.S.R. III. The Gadwall--Anas strepera L.; the Shoveler--Spatula clypeata (L.) ; the Wigeon--Mar tea penelope (L.)." Moscow (Russian a...

Notes

01 August 1941 Comments Notes IN 1939, as already recorded in British Birds, Vol. xxxiii, p. 194, a male Hooded Crow (Corvus c. comix) and a female Carrion-Crow (C. c. cowrie) nested in Co. Dublin and successfully reared their young. In 1940, presumably the same pair again nested in ...

Display in Blackbirds

01 August 1941 Comments Main paper display in Blackbirds (Turdus m. merula) has been so rarely observed or recorded that a brief description of a display I had the good fortune to witness this spring may prove of interest. Chancing to look out from the window of a house in a Sussex garden ...

Notes

01 July 1941 Comments Notes ON May 18th, 1924, my father and I found the nest of a Siskin (Carduelis spinus) at Acharacle, Argyll. It was about twenty feet up on the spreading bough of an exotic fir (species not recorded) in a large garden. When my father climbed to it, both birds ...

Report on the effect of the severe winter of 1939-40 on bird life in the area within 20 miles of London

01 July 1941 Comments Main paper THIS report is intended to supplement the " Report on the effect of the severe winter of 1939-40 on bird-life in the British Isles " which has already appeared in this journal (antea, Vol. xxxiv, pp. 118, 142), and details which were given there, such as ...

Intelligence tests with Tits

01 July 1941 Comments Main paper the idea of testing the ability of birds to solve problems, I carried out some experiments in February, 1941, which seemed to need a definite amount of intelligence for their solution. My subjects were a pair of Blue Tits (Parus c. obscurus), and a pair o...

The Diving Habits of Ducks and Grebes

01 July 1941 Comments Main paper an opportunity has occurred during the last few years we have timed the dives of two or more species of diving birds feeding together at the same place and working at the same depths at Lisvane Reservoir, near Cardiff. Comparing the results thus obtained ...

Some points in the sexual habits of the Little Grebe, with a note on the occurrence of vocal duets in birds

01 June 1920 Comments ...

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Notes on the spring Territory of the Blackbird

Some breeding-habits of the Black-winged Stilt

Abstracts

Notes

Display in Blackbirds

Notes

Report on the effect of the severe winter of 1939-40 on bird life in the area within 20 miles of London

Intelligence tests with Tits

The Diving Habits of Ducks and Grebes

Some points in the sexual habits of the Little Grebe, with a note on the occurrence of vocal duets in birds

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