Notes

01 May 1960 Comments Notes Broken e g g s i n nests of Sparrowhawk.--I can add two records to Dr. D . A. Ratcliffe's list (Brit. Birds, 53: 128-129) of broken eggs of Sparrowhawks (Accipiter nisus), one of them showing that the phenomenon goes back some time. On 7th June 1927, near...
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Letters

01 December 1956 Comments Letters I N T E R P R E T A T I O N O F V A R I A T I O N AMONG T H E YELLOW WAGTAILS S I R S , -- May I ask a little of your space in which to comment on some points in Dr. Mayr's summing-up (antea, pp. 115-119) of our present state of knowledge of the Yellow Wa...
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