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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01 January 1948
Comments Notes WITH reference to my note (antea, Vol. xl, p. 209) concerning the large gathering of Ravens (Corvus c. corax) in Carmarthenshire in March, 1946, I was interested to read Mr. Cadman's note which immediately followed my own. In reply to Mr. Cadman's query ...
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