Free images results:

Vertebrate pictures, stock photos and images


Lizard Royalty Free Stock Photos
Author: Pdiaz
Alligator Stock Images
Author: Clarita
Sea Gull Stock Image
Author: Cjwright

Also, here are some commercial RF-licensed images that match your search criteria:  
Donkey Royalty Free Stock Photo
Author: Padede
Rhino Stock Photos
Author: Atalvi
Cat Royalty Free Stock Photography
Author: Ksegev
Goose Royalty Free Stock Photos
Author: Himrina
Dog Stock Photo
Author: Tale
Cow Royalty Free Stock Photo
Author: Natalyaa
Lizard Stock Images
Author: Silverv
Blue rat Stock Photos
Author: Isselee
Peacock Royalty Free Stock Photography
Author: Dole