amphibians
illustrations of frogs and salamanders
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Leopard frog leaping
Illustration of leaping Leopard frog Rana pipiens
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American bullfrog
American bullfrog illustration Rana catesbeiana
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Pine barrens tree frog
Pine barrens tree frog illustration Hyla andersonii
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Shenandoah salamander
Shenandoah salamander illustration Plethodon shenandoah striped morph
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Arizona Lowland Leopard frog illustration
Arizona Lowland Leopard frog illustration Lithobates yavapaiensis