- Arroyo toad Bufo californicus
- Provides information on size, distinguishing characteristics, juveniles, dimorphism and similar species. With pictures and links.
- Bufo californicus Arroyo Toad
- Contains information on physical features, range, habitat, natural history, life history, breeding, voice, predators and conservation status. With pictures, links and online references.
- Canadian Toad Bufo hemiophrys
- Presents information on status, physical features, subspecies, range, habitat, habits and feeding. With pictures and links.
- Canadian Toad, Bufo hemiophrys
- Explains size, coloration, distinctive features, and distribution. Includes information on the Wyoming Toad, a former subspecies.
- Cane Toad, Bufo marinus
- Lists photo, size, identification tips, similar species, toxic skin, and distribution map.
- Desert USA Woodhouse's Toad Bufo woodhousei
- Contains information on range, habitat, description, behavior and life cycle. With pictures and online references.
- Fowler's Toad Bufo fowleri
- Contains basic information. With pictures, maps and links.
- Fowler's Toad, Bufo fowleri
- Combines photos and map with data on taxonomic changes, appearance, hybrids, and similar species.
- Golden toad (Bufo periglenes)
- Discusses taxonomic data, characteristics, biology, threats and conservation. With glossary and references.
- Great Plains Toad, Bufo cognatus
- Pictures and map accompany information on size and physical characteristics.
- Green Toad, Bufo debilis
- Discusses size, subspecies, characteristics, similar species, photographs, and map of distribution.
- Gulf Coast Toad, Bufo valliceps valliceps
- Lists photos, range map, size, and distinguishing characteristics.
- Guttural Toad, Bufo gutturalis
- Contains data on breeding, calling, reproduction and size. With pictures and sounds.
- Herpnet Great Plains Toad Bufo cognatus
- Provides information on status, description, subspecies, range, habitat, habits and feeding. With pictures and links.
- Iowa Herpetology Woodhouse's Toad Bufo woodhousei
- Provides information on status, description, subspecies, range, habitat, habits and feeding. With pictures and links.
- Marine Toads (Bufo marinus)
- Features information on identification, locations, food, damage and control, and how to deal with the toxin.
- Montane Golden Toad, Bufo kisoloensis
- Provides data on breeding, range and habitat. With pictures.
- Oak Toad Bufo quercicus
- Contains information on diagnostic features, natural history, voice, tadpoles and range. With pictures, maps, sounds and links.
- Oak Toad, Bufo quercicus
- Includes images, distribution map, size, identifying marks, habitat, and behavior.
- Red-spotted Toad, Bufo punctatus
- Addresses size, unique characteristics, appearance, habitat, and breeding information. Offers pictures and range map.
- Southern Toad Bufo terrestris
- Contains information on diagnostic features, natural history, voice, tadpoles and range. With pictures, maps, sounds and links.
- Southern Toad, Bufo terrestris
- Features measurements, distinguishing characteristics, gender differences, breeding season, map, and photos.
- Steindachner's Toad, Bufo steindachneri
- Provides data on breeding, calling sound and size. With pictures.
- Texas Toad, Bufo speciosus
- Provides description, pictures, characteristics, and range map.
- University of Georgia Oak Toad Bufo quercicus
- Contains basic information. With pictures, maps and links.
- University of Georgia Southern Toad Bufo terrestris
- Contains basic information. With photos, sounds, maps and links.
- USGS Western Toad Bufo boreas
- Provides information on size, distinguishing characteristics, juveniles, dimorphism and similar species. With pictures and links.
- Western Ecological Research Center Red Spotted Toad Bufo punctatus
- Provides information on size, distinguishing, juveniles, dimorphism and similar species. With pictures and links.
- Western Toad, Bufo boreas
- Adds pictures and distribution map to information on subspecies, characteristics, length, markings, and range differences.
- Woodhouse's Toad, Bufo woodhousii
- Information explains physical description, calling, behavior, breeding period, habitat and differences from other toads. Includes distribution map and photographs.
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