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 ...
Read More

Letters

01 June 1963 Comments Letters SIRS,--Having paid some attention to t h e manner in which t h e face of t h e Rook becomes bare, I m a y state t h a t in t h e main m y observations a n d specimens confirm Mr. Witherby's conclusions. But, with regard to this species n o t breeding in t...
Read More

Stay at the forefront of British birding by taking out a subscription to British Birds.

Subscribe Now