Reading a good book about animals can be like watching a good documentary. You get to see them really close up. More, with some books you can discover what the animals are thinking. If the author is really knowledgeable you can learn a lot about your animal. I learnt about wild stallions from Mary O'Hara's 'My Friend Flicka'.
Books for older readers
There are wild animals out there to be saved and whatever you think of him, Kester Jaynes really is the man for the job...unless you know
A tale of highway robbery, but not necessarily the obvious kind.
Darryl finds an injured racing pigeon hiding under a bush in the local park, and takes it home. As he cherishes the damaged bird, he learns a lot about life, bullies, pigeon fanciers and pigeons.
Gus, dumped on grandparents he didn't know he had, in a travelling circus that he's never heard of, finds to his surprise, that it's where he belongs.
Chingwe, the Missing Link, (maybe), rescued from a freak show, becomes an object of interest to scientists and fundamental Christians. Both sides feel they have a point to make. But Nemo, flea handler extraordinaire at his parent's flea circus, just wants Chingwe to enjoy a quiet old age . . .
Two boys. One calls up the sharks intentionally to hunt them, one calls them up unintentionally, and finds himself hunted.
The horse is a winner. The girl is a loser. Can the horse make anything of her? All the excitement of the Winner's Enclosure at the Grand National.