Alimantación de los ofidios de Uruguay

Barcelona in 2002, 127 pages, sc., 36 color photos. Vidalinvestigated the stomach contents of 1002 snakes (30 species), with some amazing results. for example in the stomach of Philodyas patagoniensis he found spiders of the species Lycosain and in the stomach of Oxyrhopus rhombifer eggs of Liolaemus wiegmannii