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Article
Irene Ruvalcaba-Ortega, Auteur ; Cecilio Pérez-Rangel, Auteur ; Jesús Alejandro Salazar-Ortiz, Auteur ; José I. González-Rojas, AuteurThe Gray Vireo (Vireo vicinior) is a scarcely studied species of the arid mountains of the southwestern U.S. and northern Mexico, especially in the eastern part of its known range. Between May–August 2013, we located 10 nests of the Gray Vireo a[...]
Article
Alexander Peña-Peniche, Auteur ; José Ángel Canizales-Bañuelos, Auteur ; Irene Ruvalcaba-Ortega, AuteurEl verdugo americano (Lanius ludovicianus) es un ave facultativa de pastizal con una dieta generalista que se alimenta de diversas especies, incluyendo artrópodos, reptiles, aves y mamíferos. Se distingue por su peculiar comportamiento de empala[...]
Article
Erin H. Strasser, Auteur ; Irene Ruvalcaba-Ortega, Auteur ; Alexander Peña-Peniche, Auteur ; Arvind O. Panjabi, Auteur ; José Hugo Martínez-Guerrero, Auteur ; Ricardo Canales-del-Castillo, Auteur ; Maureen D. Correll, Auteur
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Article
Alberto Macias-Duarte, Auteur ; Arvind O. Panjabi, Auteur ; Erin H. Strasser, Auteur ; Greg J. Levandoski, Auteur ; Irene Ruvalcaba-Ortega, Auteur ; Paul F. Doherty, Auteur ; Carmen I. Ortega-Rosas, AuteurPopulations of grassland birds that overwinter in the Chihuahuan Desert are declining more rapidly than other grassland birds, and survival during the non-breeding season may have a strong influence on population trends of these species. Habitat[...]
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Jose E. I. Gonzalez-Rojas, Auteur ; Javier Cruz-Nieto, Auteur ; Irene Ruvalcaba-Ortega, Auteur ; Miguel A. Cruz-Nieto, AuteurEared Quetzals (Euptilotis neoxenus), a threatened species, are one of the least studied trogons in Mexico. We monitored 29 Eared Quetzal nests in the Chihuahuan portion of the Sierra Madre Occidental from 1998 to 2003. All nests were in tree ca[...]
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Ricardo Canales-del Castillo, Auteur ; José I. González-Rojas, Auteur ; Irene Ruvalcaba-Ortega, Auteur ; Angel Garcia-Ramirez, AuteurWorthen's Sparrows (Spizella wortheni) are endemic to the Mexican Plateau and have been listed as globally endangered. The breeding biology of these sparrows is poorly understood, and nesting is only known to occur at three locations (Las Espera[...]
