Letter

01 February 1945
Comments Letters SIRS,--With reference t o t h e letter from t h e Hon. G. Charteris (antea, p. 120), I can record three definite instances of Chaffinches having second broods. 1. I n 1938 a pair ringed b y me with coloured rings for identification nested in a holly just ...
Read More

Reviews

01 February 1945
Comments Reviews The Breeding Distribution, History and Population of the North Atlantic Gannet (Sola bassana). By James Fisher and H. G. Vevcrs. Part I.--A History of the G a n n e t s Colonies, and t h e Census in 1939. Journal of Animal Ecology, Vol. xii, pp. 173-213, ...
Read More

Notes

01 February 1945
Comments Notes I HAVE recently been particularly interested in the behaviour of Marsh- and Coal-Tits, which together with larger numbers of Blue and Great Tits, have visited the garden here at Llanymynech during about the first three weeks of October, 1944. The garden,...
Read More

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 ...
Read More

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...
Read More

Stay at the forefront of British birding by taking out a subscription to British Birds.

Subscribe Now