Frogs, toads, salamanders, caecilians, turtles, lizards, crocodiles, and numerous species of snakes in the Peten region of northern Guatemala and adjacent terrain in Mexico and Belize are illustrated and profiled in this first field guide to the reptiles and amphibians of the area.

The 160 species of creatures range from the enormous, dramatic, and potentially dangerous--such as the common venomous snake called the barba amarilla (yellow beard) and the now endangered American crocodile--to diminutive tree frogs, anoles, geckos, and skinks, and the secretive snakes of the forest floor....