La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	Feeding habits of Black-billed Magpie during the breeding season in Mediterranean Iberia: the role of birds and eggs (2015)
Titre original:	Feeding habits of Black-billed Magpie during the breeding season in Mediterranean Iberia
Auteurs :	Francisco Díaz-Ruiz, Auteur ; Juan Carlos Zarca, Auteur ; Miguel Delibes-Mateos, Auteur ; Pablo Ferreras, Auteur
Type de document :	Article
Dans :	Bird Study (62(4) octobre 2, 2015)
Article en page(s) :	516-522
Résumé :	Capsule Feeding habits of the Black-billed Magpie are of interest for researchers, conservationists and hunters since magpies are considered as predators of eggs and chicks of both songbirds and gamebirds.Aims To characterize the feeding habits of magpies during their breeding season in agricultural environments of central Spain, and to assess the occurrence and incidence of birds and eggs in the magpie's diet.Methods Diet was determined by the analysis of gizzard contents from 118 culled magpies. The diet was described as the frequency of occurrence (FO) and the percentage of volume (VOL) of a certain food item and for each gizzard.Results Magpies presented a generalist diet, which included a wide range of foods. Arthropods and cereal seeds were the most frequently consumed food groups (FO > 60%). Eggs and birds were consumed only occasionally (FO
En ligne :	http://www.tandfonline.com/doi/full/10.1080/00063657.2015.1080660

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