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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Letters

01 June 1935 Comments Letters SIRS,--May I ask for your kind help and t h a t of your readers in regard to a problem which has arisen in the course of some investigations into the worship of bird-gods in ancient times in Europe. The Woodpecker, as Aristophanes informs us in a well-kno...
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