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 ...
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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...
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Notes

01 January 1932 Comments Notes SOME Waxwings (Bombycilla ^arrulus) have reached Norfolk during the last few weeks. On November 3rd, 1931, one was picked up alive at Kelling, under telegraph wires, by the local police constable, but it died and was unfortunately taken by a cat. Some wi...
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