July reports

01 October 1974
Comments News and comment These are largely unchecked reports, not authenticated records A Black-browed Albatross Diomedea melanophris was present in the gannetry on Herrnaness, Unst (Shetland), throughout the summer. Following the June report of a Fulmar Fulmarus glaci...
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News and comment

01 October 1974
Comments News and comment Growth of the British and Irish list The number of full species admitted to the British and Irish list during the 17 decades which have elapsed since 1800 has varied from as few as four to as many as 27 per decade, the average being 13; Kenneth...
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Notes

01 October 1974
Comments Notes Egg-laying by the Great Crested Grebe Although the behaviour of Great Crested Grebes Podiceps cristatus has been intensively studied, many questions are still open. One such question is how Great Crested Grebes lay their eggs, and whether they exhibit ...
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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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