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Article
J. Moreno, Auteur ; L. Boto, Auteur ; J. A. Fargallo, Auteur ; A. De Leon, Auteur ; J. Potti, AuteurWe analysed genetic relatedness through DNA-fingerprinting in 38 two-chick families of Chinstrap Penguins Pygoscelis antarctica in the Vapour Col colony on Deception Island, Antarctica. Band-sharing coefficients between males and chicks in their[...]
Article
G. Blanco, Auteur ; J. A. Cuevas, Auteur ; J. A. Fargallo, AuteurDans Ardea (86(2) 1998)The breeding abundance of Choughs Pyrrhocorax pyrrhocorax war investigated in relation to type of rock and related features of nesting cliffs along rivers in south-eastern Madrid (Central Spain). Gypsum cliffs are larger and provide more nest si[...]
Article
J. A. Fargallo, Auteur ; S. Merino, AuteurDans Ardea (87(2) 1999)We have studied the effects of a brood size manipulation on the infection by blood parasites in a Blue Tit Pants caeruleus population in central Spain. Overall, 98% of the birds were infected by at least one parasite species. Haemorpteus majoris[...]
Article
T. Laaksonen, Auteur ; J. A. Fargallo, Auteur ; E. Korpimäki, Auteur ; S. Lyytinen, Auteur ; J. Valkama, Auteur ; V. Poyri, Auteur1. Offspring sex ratio may be an unpredictable component of life history that might select for behavioural plasticity in parental care. If the parents do not have such plasticity and the two sexes of offspring differ in size, individuals in a br[...]
