Seed of Reason. The Chamal Series Book 3 (en Inglés) - Daniel Hatch

Three tales of Chamal, where the genes for intelligence are a free-floating trait and all the warm-blooded animals can interbreed -

Harralld is a pilgrim of Jobe, an ancestor who once walked around the globe, who gets involved in border wars among several chamalian breeds. Before he is done, he meets a scientist from Earth, come to see if the team here has discovered the secrets of chamalian genetics.

Jerome Sullivan has discovered those secrets, but before he can tell anyone on the science team, he is kidnapped by the Red Monkeys. They want him to find a way for them to breed true and rise back up to take political control of the great rift valley. Will he ever escape their control?

By day, Pog is houseboy to Dr. Wu, a human scientist in a port city on the Meshkar Sea. By night, Pog can be many things - because Pog has learned to read the books of the humans. But when Dr. Wu is murdered, Pog is suddenly on the run. Before he is finished, his whole world will be turned upside down.