Free images results:

Herbivore pictures, stock photos and images


Swan Royalty Free Stock Photo
Author: A_gura
Fawn Royalty Free Stock Photos
Author: Jamiewilson
Giraffe Stock Photography
Author: Plsa

Also, here are some commercial RF-licensed images that match your search criteria:  
Koala Royalty Free Stock Image
Author: Taolmor
The koala Stock Images
Author: Taolmor