La Tour du Valat

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Plant and habitat use by Black-breasted Pufflegs (Eriocnemis nigrivestis), a critically endangered hummingbird

Esteban A. Guevara, Auteur ; Rolando Hipo, Auteur ; Cristian Poveda, Auteur ; Bryan Rojas, Auteur ; Catherine H. Graham, Auteur ; Tatiana Santander G, Auteur

Dans Journal of Field Ornithology (88(3) September 2017)

Black-breasted Pufflegs (Eriocnemis nigrivestis) are hummingbirds endemic to Ecuador and are considered critically endangered because of their limited distribution, a population estimated at fewer than 1000 individuals, and ongoing habitat degra[...]

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Status of the Northern Silvery Grebe Podiceps juninensis in the northern Andes: recent changes in distribution, population trends and conservation needs

Esteban A. Guevara, Auteur ; Tatiana Santander G, Auteur ; Adrián Soria, Auteur ; Pierre-Yves Henry, Auteur

Dans Bird Conservation International (26(4) December 2016)

SummaryThe Northern Silvery Grebe Podiceps juninensis is an aquatic bird species considered Vulnerable to extinction in Ecuador and Endangered in Colombia. Globally the species is considered Near Threatened. Herein we report recent changes in di[...]

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