Further books on mammals include:
Eelie and the Big Cats, by Singh Bats: Biology and Behaviour, by Altringham The Chimpanzees of the Tai Forest: Behavioural Ecology and Evolution, by Boesch and Boesch-Achermann Horn of Darkness: Rhinos on the Edge, by Cunningham and Berger Wild Otters: Predation and Populations, by Kruuk