Letters

01 February 1993 Comments Letters The Cape Clear 'Griffons' The difficulty which Griffon Vultures Gyps fulvus have in maintaining flapping flight for substantial periods over the sea makes it highly improbable that the five unidentified eagle-like birds observed flying past Cape Clear ...
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Letters

01 October 1981 Comments Letters Tree Pipits showing pale 'ear' spot The pale 'ear' spot of the Olive-backed Pipit Anthus hodgsoni is a very useful supporting field feature of the species (see Brit. Birds 72: 95, for example) and this is borne out by my experien...
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