| Pine barrens tree frog Hyla andersonii watercolor and gouache paints |
| American Bullfrog Rana catesbeiana graphite and Adobe Photoshop® |
| Northern Leopard frog, leaping Rana pipiens graphite, digital color |
| Shenandoah salamander Plethodon shenandoah striped morph watercolor and gouache paints |
| 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 |