Bachelor Thesis from the year 2011 in the subject Biology - Behaviour, grade: 1,7, University of M nster (Department of Behavioural Biology), language: English, abstract: It is generally assumed that human beings have personalities, while animals do not. This assumption is not only derived from common sense, but also a basic principle of western philosophy and social theory (Mead, 1934). Still, dog owners will not stop mumbling about their cute puppy's...