Notes

WITH regard to the swimming of small passerines (antea, vol. xl, pp. 179, vol. xlii, p. 183, vol. xliii, p. 121), the following incidents may be of interest. At the Eye Brook Reservoir, Leicestershire, a colony of Tree-Sparrows (Passer montanus) uses the angles formed by the beams of a boat-house as nest sites. On June 6th, 1949, on my examining these nests, three young birds left one of the nest...