i think this one will be the first one on my list:
"Fire Bringer does for deer what Watership Down did for rabbits — except with a lot more action and excitement. Born an outcast, Rannoch comes to learn that he holds the key to vanquishing a ruthless tyrant and uniting two warring herds. His resulting adventure takes you deep into the fascinating history, politics, and drama of this all-animal world. I honestly don’t know why I picked this up, seeing as I don’t normally read fantasy, but Fire Bringer had me hooked from the very first page." -- Gabriel H.
click on the link to discover the other 50. How many will you add to your TBR?
ETA: thanks to the commenters who advised of the Left-out titles:
Tomasina by Paul gallico
Ring of Bright Water by Gavin Maxwell
Toby Tyler by James Otis
and most shameful of all ommissions,
Born Free by Joy Adamson!
Travels with Charlie