While relatively little is known about the psychology of domestic pigs, what is known
suggests that pigs are cognitively complex and share many traits with animals whom we …

In contrast to the cries of human infants, sounds made by non-human infants in different
stressful behavioral contexts (hunger or physical discomfort, isolation, capture by humans or …

In large social groups acoustic communication signals are prone to signal masking by
conspecific sounds. Bottlenose dolphins (Tursiops truncatus) use highly distinctive signature …

Recognition of conspecifics occurs when individuals classify sets of conspecifics based on
sensory input from them and associate these sets with different responses. Classification of …

Two important questions in bioacoustics are whether vocal repertoires of animals are
graded or discrete and how the vocal expressions are linked to the context of emission. Here …

In a book about the welfare of the pig, the need to understand the natural behaviour of the
pig will be immediately obvious to those who define good welfare in terms of an animal's …

Behavioural research on domestic pigs has included parent–offspring conflict, sibling
competition, and the use of signals which influence resource allocation. In this paper, we …

In the study of animal emotions, emotional valence has been found to be difficult to measure.
Many studies of farm animals' emotions have therefore focussed on the identification of …

A signature whistle type is a learned, individually distinctive whistle type in a dolphin's
acoustic repertoire that broadcasts the identity of the whistle owner. The acquisition and use …

A challenge for social-affective neuroscience programs is to identify simple and yet valid
animal models for studying the expression of basic social emotions and their role during …