2008
Ramírez-Bautista, A. y A. Ramírez-Pérez. 2008. Anfibios y Reptiles. En R. Ortiz-Pulido (Ed.), ¿Sabes quien vive en el PNEC? SEP, Dirección del Parque Nacional El Chico, Universidad Autónoma del Estado de Hidalgo. Pachuca, Hidalgo, México. 23 Pp.
The effect of spatio-temporal variation in understanding the fruit crop size hypothesis
A BRIEF OVERVIEW OF THE HISTORY OF MEXICAN ORNITHOLOGY
Abundance of frugivorous birds and richness of fruit resource: is there a temporal relationship?
A female Lucifer Hummingbird (Calothorax lucifer) with iridescent chin feathers
Avifauna of the Barranca de Metztitlán Biosphere Reserve, Hidalgo, Mexico
Frugivory by Birds in a Fragmented Landscape: Consequences for Seed Dispersal