Provides information on size, distinguishing characteristics, juveniles, dimorphism and similar species. With pictures and links.

Contains information on physical features, range, habitat, natural history, life history, breeding, voice, predators and conservation status. With pictures, links and online references.

Explains size, coloration, distinctive features, and distribution. Includes information on the Wyoming Toad, a former subspecies.

Lists photo, size, identification tips, similar species, toxic skin, and distribution map.

Contains information on range, habitat, description, behavior and life cycle. With pictures and online references.

Contains basic information. With pictures, maps and links.

Combines photos and map with data on taxonomic changes, appearance, hybrids, and similar species.

Discusses taxonomic data, characteristics, biology, threats and conservation. With glossary and references.

Pictures and map accompany information on size and physical characteristics.

Discusses size, subspecies, characteristics, similar species, photographs, and map of distribution.

Lists photos, range map, size, and distinguishing characteristics.

Features information on identification, locations, food, damage and control, and how to deal with the toxin.

Includes images, distribution map, size, identifying marks, habitat, and behavior.

Addresses size, unique characteristics, appearance, habitat, and breeding information. Offers pictures and range map.

Features measurements, distinguishing characteristics, gender differences, breeding season, map, and photos.

Provides description, pictures, characteristics, and range map.

Contains basic information. With pictures, maps and links.

Contains basic information. With photos, sounds, maps and links.

Provides information on size, distinguishing characteristics, juveniles, dimorphism and similar species. With pictures and links.

Provides information on size, distinguishing, juveniles, dimorphism and similar species. With pictures and links.

Adds pictures and distribution map to information on subspecies, characteristics, length, markings, and range differences.

Information explains physical description, calling, behavior, breeding period, habitat and differences from other toads. Includes distribution map and photographs.