Olga Ceballos

Conservation status and limiting factors in the endangered population of Egyptian vulture (Neophron percnopterus) in the Canary Islands

José A. Donázar, César Javier Palacios, Laura Gangoso et al. · Biological Conservation · 2002 · 138 citations · Full text

Egyptian Vulture, Wildlife Ecology, Evolutionary Biology +5

Offspring body condition and immunocompetence are negatively affected by high breeding densities in a colonial seabird: a multiscale approach

José L. Tella, Manuela G. Forero, Marcelo Bertellotti et al. · Proceedings of the Royal Society B Biological Sciences · 2001 · 120 citations · Full text

Survival in a long-lived territorial migrant: effects of life-history traits and ecological conditions in wintering and breeding areas

Juan Manuel Grande, David Serrano, Giacomo Tavecchia et al. · Oikos · 2009 · 116 citations

Winners and losers in human‐made habitats: interspecific competition outcomes in two Neotropical vultures

Martina Carrete, Sergio A. Lambertucci, Karina L. Speziale et al. · Animal Conservation · 2010 · 102 citations · Full text

Species Coexistence, Biodiversity, Foraging +14

Effects of sex-associated competitive asymmetries on foraging group structure and despotic distribution in Andean condors

José A. Donázar, Alejandro Travaini, Olga Ceballos et al. · Behavioral Ecology and Sociobiology · 1999 · 88 citations

Biology, Breeding Behavior, Despotic Distribution +8