Discusses studies of gorillas in zoos, laboratories, and in the wild and explains what has been learned about the mental abilities of these intelligent apes.
a leading scientist explores animal joy, sorrow, and empathy, and why they matter
Bekoff, Marc
2007
Presents biological research to support the existence of animal emotions and why it is important to rethinking the human relationship to animals and how animals are treated.
animal intelligence and what it can teach us about ourselves
Yoerg, Sonja Ingrid
2002
Discusses the differences between instinct and intelligence in animal species, and examines humans perceptions of general animal intelligence, as well as the influence of inherent prejudices that cloud judgment, and the effect of culture on such attitudes.
Examines the brains of such species as bird, insects, worms, monkey, dogs, cats, and human brains, and describes how they work, their size, and how many cells they have.
Describes six very talented animals: Twiggy, a squirrel who water-skis; Tracker, a dog who acts; Tilly, a dog who paints; Koko, a gorilla who uses sign language and paints; and Siri and Ruby, elephants who also paint.