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Article
F. Alvarez, AuteurDans Ardea (88(1) 2000)In southern Spain clutches of Rufous Bush Chats Cercotrichas galactotes that were parasitised by Cuckoos Cuculus canorus contained larger eggs than non-parasitised ones. Three alternative hypotheses are given that can explain this result. The fi[...]
Article
F. Alvarez, AuteurThe Rufous Bush Chat Cercotrichas galactotes is parasitized by the Cuckoo Cuculus canorus. To study how a Cuckoo elicits provisioning by this specific host species, the response of the Rufous Bush Chats to two imitations of the coloration of the[...]
Article
F. Alvarez, Auteur
Article
F. Alvarez, AuteurThe hypotheses of increased egg strength and incubation efficacy were tested in relation to egg size and shape of Common Cuckoos Cuculus canorus parasitising Rufous Bush Chats Cercotrichas galactotes in southern Spain. The found positive relatio[...]
Article
F. Alvarez, Auteur ; C. Sanchez, Auteur ; S. Angulo, AuteurPrey-predator communication of alertness has been reported for Moorhens (Gallinula chloropus) and other species of birds. Because ability to flee is probably related to body condition, healthy potential prey may behave more conspicuously to send[...]
