2000
Ortiz-Pulido, R. 2000. Introducción al análisis de rutas en sistemas biológicos. Interciencia 25: 329-336.
Avifauna de la Reserva de la Biosfera Barranca de Metztitlán, Hidalgo, México
A female Lucifer Hummingbird (Calothorax lucifer) with iridescent chin feathers
The effect of spatio-temporal variation in understanding the fruit crop size hypothesis
Epiphyte Orchid Establishment on Termite Carton Trails
Temporal-spatial segregation among hummingbirds foraging on honeydew in a temperate forest in Mexico
DISTRIBUCIÓN DE COLIBRÍES EN LA ZONA BAJA DEL CENTRO DE VERACRUZ, MÉXICO
Abundance of frugivorous birds and richness of fruit resource: is there a temporal relationship?