Letters

01 March 1985 Comments Letters A possible reason why pigeons and other birds sometimes swim. The note by D, E. Ladhams on the infrequency of observations of pigeons (Columbidae) swimming, and his comment that the reason for this behaviour is puzzling {Brit. Birds 74: 265), prompts t...
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Letters

01 February 1935 Comments Letters SIRS,--May I say something on this vexed subject ? I speak of those territorial species whose young depend upon insects for food. Three sets of facts seem connected :-- (i) T h a t in a cold and wet breeding season we find infertile eggs, chicks dead in t...
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