Notes

01 November 1963
Comments Notes IT has long been known that, in the Common Crossbill (Loxia curvirostra) the mandibles cross indifferently on either side in different individuals. Recently, however, for a special purpose, I desired to ascertain whether or not individuals having the man...
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Notes

01 April 1955
Comments Notes in The Handbook to the behaviour of flocks of Coot (Fulica atra) when attacked by birds of prey. On n t h January 1953, at Cannock Reservoir, Staffordshire, I witnessed the same behaviour when a Herring Gull (Larus argentatus) dived over a scattered flock...
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