Pre-breeding moult in adult Black Guillemots Cepphus grylle

By Greenwood Julian G.  

Ringing & Migration, Vol. 28, Iss. 1, 2013-06 ,pp. : 47-49

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Against the trend: increasing numbers of breeding Northern Lapwings Vanellus vanellus and Black-tailed Godwits Limosa limosa limosa on a German Wadden Sea island: Capsule The increase in population sizes over the last 30 years cannot be explained by reproductive success.

By Schroeder Julia   Heckroth Mathias   Clemens Thomas  

Bird Study, Vol. 55, Iss. 1, 2008-03 ,pp. : 100-107

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Conservation tillage encourages early breeding by Skylarks Alauda arvensis: Capsule Increased crop residue on the soil surface, left as a result of conservation tillage, encouraged earlier nesting in winter wheat fields.

By Field Rob H.   Kirby Will B.   Bradbury Richard B.  

Bird Study, Vol. 54, Iss. 1, 2007-03 ,pp. : 137-141

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Sex-ratio of Skylark Alauda arvensis broods in relation to timing of breeding: Capsule Earlier broods tend to be more male biased than later broods.

By Eraud Cyril   Lallemand Joëlle   Lormee Herve  

Bird Study, Vol. 53, Iss. 3, 2006-11 ,pp. : 319-322

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Extremely late laying by Guillemots Uria aalge can be successful: Capsule Even though most other pairs in the colony had finished breeding, late breeders that lost eggs and relaid were successful in rearing young.

By Harris Michael P.   Wanless Sarah  

Bird Study, Vol. 51, Iss. 1, 2004-03 ,pp. : 91-93

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