La Tour du Valat

Article

Sex differentiation of Corn Buntings Miliaria calandra wintering in northern Spain

F. Campos, Auteur ; M. Hernandez, Auteur ; J. Arizaga, Auteur ; R. Miranda, Auteur ; A. Amezcua, Auteur

Dans Ringing & Migration (22(Part 3) JUN 2005)

A discriminant function was developed for sex differentiation of Corn Buntings Miliaria calandra wintering in northern Spain. The function, y = 0.136A + 0.288W- 26.837, where A is wing length in mm and W is body weight in g, gives positive value[...]

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Article

Sex ratios in nestling Southern Grey Shrike on agricultural land: Evidence of adaptive variation

F. Gutierrez-Corchero, Auteur ; M. A. Hernandez, Auteur ; F. Campos, Auteur

Dans Journal of Ornithology (147(5, Suppl. 1) AUG 2006)

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Article

Site fidelity of Cormorants Phalacrocorax carbo wintering in southern France and northern Spain

J. M. Lekuona, Auteur ; F. Campos, Auteur

Dans Ringing & Migration (20(2) November, 2000)

During five consecutive years (1991-1996) fortnightly censuses were made just before sunset at twenty roosts of Cormorants Phalacrocorax carbo located at inland and coastal habitats in southern France and northern Spain. Some Cormorants had lost[...]

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