Letters

01 June 1969 Comments Letters Bill-length as a field-character of the White-winged Black Tern ? In his paper on 'Juvenile and winter plumages of the marsh terns' (Brit. Birds, 53: 243-252) Kenneth Williamson differentiated without qualification between the bill of the Black Tern Chlid...
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Notes

01 March 1962 Comments Notes Peregrine incubating Kestrel's eggs.--On 13 th May 1961, I was prospecting some crags in the Great Glen, Inverness-shire, in the hope of rinding a pair of nesting Peregrines (Falco peregrinus). As I approached the most likely-looking face from below, a fe...
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Notes

01 April 1946 Comments Notes IN the autumn of 1945 I have noticed Jackdaws (Corvus monedula spermologus) frequenting two holes in different beeches close together, at Westerham, Kent, but have been unable to prove definitely that they were breeding. A Jackdaw was seen to leave one h...
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Notes

01 March 1946 Comments Notes O N March ijth, 1945, I was in a convoy moving slowly south through the'Irish Sea. The day was brilliantly fine, the sea quite calm. In the morning the Welsh Hills were visible, but otherwise we saw neither coast. There was no fog, however. There was a v...
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