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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01 June 1935
Comments Notes CERTAIN results accumulated during several years of trapping and ringing in a garden are offered below. These are confined to information obtained by operations in a fixed and limited area; observations obtained in other ways, either in the garden or in ...
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