Letters

01 November 1990 Comments Letters Sexual dimorphism of Marsh Tit. Both Gosler & King (1989) and Nilsson & Smith (1988) have recently reported sexual dimorphism in the intensity of the black of the cap on Marsh Tits Parus palustris (adults and first-years), males having markedly...
Read More

Letter

01 September 1982 Comments Letters Mortality of Sparrowhawks and Kestrels The findings of Newton et al. (Brit. Birds 75: 195-204) are similar in most respects to ours (Keymer et al. 1981). We wish to comment, however, on some important differences, especially regarding...
Read More

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

Subscribe Now