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Article(7)
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Biodiversity Data Journal(1)
Bulletin of the British Ornithologists' Club(1)
Journal of Raptor Research(1)
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scopus(7)
A new subspecies of Gurney's Hawk Buteo poecilochrous
ArticleAbstract: A new subspecies of Gurney's Hawk Buteo poecilochrous is recognised for populations of the species fPalabras claves:Autores:Cabot J., Tjitte de VriesFuentes:scopusFirst nesting record of the nest of a slaty-backed forest-falcon (Micrastur mirandollei) in Yasuní national park, Ecuadorian Amazon
ArticleAbstract:Palabras claves:ECUADOR, First nesting record, Micrastur mirandollei, Slaty-backed Forest-Falcon, Stick nestAutores:Melo C., Tjitte de VriesFuentes:scopusPaternal care in the cooperatively polyandrous Galapagos Hawk
ArticleAbstract: In cooperative breeding systems, males that share a nest face the prospect of providing for young thPalabras claves:breeding systems, Buteo galapagoensis paternal care, Cooperative polyandry, Galapagos HawksAutores:Delay L., Faaborg J., Naranjo J., Parker P.G., Paz S., Tjitte de VriesFuentes:scopusVariation in morphology and mating system among island populations of Galápagos Hawks
ArticleAbstract: Interspecific variation in sexual size dimorphism has commonly been attributed to variation in sociaPalabras claves:body size, Buteo galapagoensis, Cooperative polyandry, Galápagos Hawk, principal components analysis, Sexual size dimorphismAutores:Bednarz J., Bollmer J., Cannon B., Donaghy Cannon M., Parker P.G., Sanchez D., Sanchez T., Struve M., Tjitte de VriesFuentes:scopusPlumage and sexual maturation in the Great Frigatebird Fregata minor in the Galapagos Islands
ArticleAbstract: The adaptive significance of distinctive immature plumages and protracted sexual and plumage maturatPalabras claves:Delayed plumage maturation, Frigatebirds, Immature plumage, Moult, Sexual maturationAutores:Carlos Valle, Hernández C., Tjitte de VriesFuentes:scopusThe Shiny Cowbird, Molothrus bonariensis (Gmelin, 1789) (Aves: Icteridae), at 2,800 m asl in Quito, Ecuador
ArticleAbstract: Background The Shiny Cowbird, Molothrus bonariensis Gmelin, 1789, is a brood parasite of hundreds ofPalabras claves:Brood parasite, Climate Change, HABITAT FRAGMENTATION, Molothrus bonariensis, Rufouscollared Sparrow, Shiny Cowbird, University campus, ZONOTRICHIA CAPENSISAutores:Carrión J.M., Christian Miguel Pinto, Cristian Poveda, Rubén D. Jarrín-E, Tjitte de Vries, Verónica Crespo-PérezFuentes:scopusThe giant tortoises: a natural history disturbed by man.
ArticleAbstract: Geochelone elephantopus have been reduced from hundreds of thousands before the arrival of man to 15Palabras claves:Autores:Tjitte de VriesFuentes:scopus