2000
Ortiz-Pulido, R. 2000. Introducción al análisis de rutas en sistemas biológicos. Interciencia 25: 329-336.
Frugivory by Birds in a Fragmented Landscape: Consequences for Seed Dispersal
Abundance of frugivorous birds and richness of fruit resource: is there a temporal relationship?
The effect of spatio-temporal variation in understanding the fruit crop size hypothesis
DISTRIBUTION OF HUMMINGBIRDS IN THE LOWLANDS OF CENTRAL VERACRUZ, MEXICO
A BRIEF OVERVIEW OF THE HISTORY OF MEXICAN ORNITHOLOGY
A female Lucifer Hummingbird (Calothorax lucifer) with iridescent chin feathers
Avifauna of the Barranca de Metztitlán Biosphere Reserve, Hidalgo, Mexico