Letters

01 January 2004 Comments Letters Following the publication of Bill Bourne's letter on the subject (Brit. Birds 96: 260), I would like to clarify some points regarding the development of a military radar station in Madeira. The Sociedade Portuguesa para o Estudo das Aves (SPEA), togeth...
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Letters

01 July 1978 Comments Letters Diving methods of Great Northern and Black-throated Divers On inland waters, I have noticed that Great Northern Divers Gavia immer always slither under slowly when diving, whereas Black-throated G. arctica jump upwards slightly before they dive...
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