Vol. 34 (2011)

Articles

• Wing length as a predictor of body size in the Willow Tit Poecile montanus

  Olav Hogstad

  24-27

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• No effect of heavy metal content on the external morphology of first-year wintering Willow Tits Poecile montanus

  Olav Hogstad

  19-23

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• Kleptoparasitism of wintering Great Northern Divers Gavia immer by gulls

  Ingvar Byrkjedal

  17-18

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• Social behaviour of wintering Great Northern Divers Gavia immer in relation to age categories

  Ingvar Byrkjedal

  10-16

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• Moult pattern of primaries and secondaries in Eagle Owls Bubo bubo

  Roar Solheim

  1-9

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