Biodiversity and Biological Collections: Image Archive
"Contains images of plant and animal species, which were created from scanning transparencies taken by museum and herbarium collectors during expeditions."

Birds
Clip art images of birds. From Bilbo's Graphics.

Butterflies
Clip art images of butterflies. From Bilbo's Graphics.

Dogs and Cats
Clip art images of dogs and cats. From Bilbo's Graphics.

Doug Lundberg's Scientific Clipart
Clip art images of DNA, chromosomes, and more.

Dragons
Clip art images of tiny dragons. From Bilbo's Graphics.

Fish & Water
Clip art images and photos of fish and marine mammals. From Bilbo's Graphics.

Insects
Clip art images of insects. From Bilbo's Graphics.

LifeArt
Collection of medical clip art images.

Spiders
Clip art images of spiders. From Bilbo's Graphics.

Wilson's Free Gifs & Animations
Non-Animated gifs of bears, snakes, lizards & insects and crustaceans.