| American Bullfrog Rana catesbeiana graphite and Adobe Photoshop® |
| Green frog Rana clamitans Adobe Photoshop® ©2007 The McGraw-Hill Companies, Inc. |
| American bullfrog tadpole in pond with duckweed Rana catesbeiana gouache paint, Adobe Photoshop® |
Centrolene heloderma gouache paint |
| Sharp-nosed African reed frog Hyperolius nasutus gouache paint |
| Forest tree frog Leptopelis macrotis gouache paint |
| Spiny leaf-folding frog Afrixalus fornasinii gouache paint |
| Spiny leaf-folding frog nest Afrixalus fornasinii gouache paint This species lays its eggs in the fold of a reed that it has bended and glued shut. |
| Common reed frog, Reesi variation Hyperolius viridiflavus gouache paint |