Free images results:
 

Creature pictures, stock photos and images

 
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Snail Royalty Free Stock Photos
Author: Heintjelee
Snail Stock Images
Author: Zaliha
Meerkat Royalty Free Stock Photos
Author: Editorial
Pigeon Stock Image
Author: Kornwa
Thistle Stock Photo
Author: Mkartal
Snail Stock Image
Author: Clarita
Toy Gecko Stock Photos
Author: Bethbee
Lizard Royalty Free Stock Image
Author: Rhouck
Parrot Stock Photos
Author: Gurilla
Alligator Stock Images
Author: Clarita
Lizard Royalty Free Stock Photography
Author: Pilarin
Gargoyle Stock Image
Author: S brandt
 
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Also, here are some commercial RF-licensed images that match your search criteria:  
Creature Royalty Free Stock Photography
Author: Alexey05