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Article
R. M. Fraga, AuteurNew information on the interactions among Shiny Cowbirds (Molothrus bonariensis) and 12 host species in Argentina is presented. Observacions and experiments suggest that Brown Cacholotes (Pseudoseisura lophotes) remove cowbird eggs from their ne[...]
Article
J. A. Amat, Auteur ; R. M. Fraga, Auteur ; G. M. Arroyo, AuteurDans Ardea (89(2) 2001)Offspring size is a very important life-history trait that may be affected by maternal effects and environmental conditions. We studied variation in egg size and within-clutch symmetry variation in egg volume in Kentish Plovers Charadrius alexan[...]
