any amphibian of the family Microhylidae, which includes 10 subfamilies and more than 60 genera and more than 300 species. Narrow-mouthed toads are found in North and South America, Africa, Asia, and Australia. Many are small, stocky, and smooth skinned with short legs, small heads, pointed snouts, and narrow mouths. They live on land, underground, or in trees and are generally secretive in nature. Most species are less than 8 cm (3 inches) long.
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