Karen Pryor on Behaviour: Essays & Research cats Contents include: aggression basics

Contents include: aggression basics

The low-toned squeaker prolongs playtime while a layer of reinforcement extends the shaking

in order to help our dogs be well behaved

Curled rubber snake with slot to fit pastes or round treats inside

Karen Pryor on Behaviour: Essays & Research cats Contents include: aggression basicsKaren Pryor's classic collection of articles, essays, and research papers on training, learning, and behaviorfrom underwater studies of wild dolphin schools to a witty analysis of New York City weather. A great favorite of Pryor's personal fans, with lots of gems for the serious trainer or behaviorist too.