La Tour du Valat

Article

Assessing the fatty acid profile of migratory birds with different fuelling strategies

Morgan Lee, Auteur ; Ivan Viegas, Auteur ; Ana C. Norte, Auteur ; Jaime A. Ramos, Auteur ; Pedro M. Araújo, Auteur

Dans Ibis (165(1) January, 2023)

A detailed analysis of fatty acid (FA) profiles and their properties relating to fuelling strategy can improve understanding of avian migration. The study aimed to understand whether and how FA composition differs among several passerine species[...]

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Article

Plenty of rooftops with few neighbours occupied by young breeding Yellow-legged Gulls (Larus michahellis): Does this occur at the expense of their health condition?

Joana Pais De Faria, Auteur ; Vitor H. Paiva, Auteur ; Sara N. Veríssimo, Auteur ; Catarina S. Lopes, Auteur ; Rita Soares, Auteur ; João Oliveira, Auteur ; Ivo dos Santos, Auteur ; Ana C. Norte, Auteur ; Jaime A. Ramos, Auteur

Dans Ibis (165(1) January, 2023)

Gulls, as largely flexible opportunistic individuals, have been increasingly breeding in many cities around the world, but it is still unclear whether urban habitats are of equal or higher quality than traditional natural habitats or represent a[...]

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Article

Haematozoa infections in a Great Tit Parus major population in Central Portugal: relationships with breeding effort and health

Ana C. Norte, Auteur ; Pedro M. Araújo, Auteur ; Hugo L. Sampaio, Auteur ; Jose P. Sousa, Auteur ; Jaime A. Ramos, Auteur

Dans Ibis (151(4) OCT 2009)

Blood parasites may act as modulators of their hosts' ecology, life histories and fitness. We studied the prevalence of Plasmodium sp., Haemoproteus sp. and Leucocytozoon sp. and their effects on morphological, biochemical and haematological var[...]

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