If you thought donkeys were little, you will be amazed at this hubpages article about Mammoth Donkeys - the largest breed of Donkey in the World. I could not believe it! Some of them are as tall as a Shire Horse!
Viggo Mortensen bonded so much with Uraeus (Brego in the film), the horse he rode in the Lord of the Rings series that after they finished filming, he purchased the horse from its owner. He also bought his stunt double's horse for stunt double!