Letter

01 June 1997 Comments Letters A pair of unstreaked Acrocephalus warblers nested in Orkney in 1993 (Adam & Meek 1994; Ogilvie et al. 1996). Based on (1) comparison of measurements with Walinder et al. (1988), (2) the birds' general coloration and (3) the comparative frequency of...
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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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