AnimalsAmphibiansFrogs & ToadsAmerican Water Frogs — Genus Lithobates
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Crawfish Frog —  Lithobates areolatus [1]
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Rio Grande Leopard Frog —  Lithobates berlandieri [1]
Has dark spots outlined with lighter color. Adults 7-10cm. Nocturnal.
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Plains Leopard Frog —  Lithobates blairi [1]
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American Bullfrog —  Lithobates catesbeianus [1]
Adults 7-15cm. Active in the evening and night.
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Green Frog —  Lithobates clamitans [1]
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Pig Frog —  Lithobates grylio [1]
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Pickerel Frog —  Lithobates palustris [1]
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Southern Leopard Frog —  Lithobates sphenocephalus [1]
Has dark outlined spots. Adults 5-7cm. Nocturnal.
Evidence that species is found in Texas:
  1. The Center for North American Herpetology (CNAH), a checklist of the amphibians and reptiles of Texas based on works by Joseph T. Collins, Travis W. Taggart, and Roger Conant.