Due to lack of records on this species habitat and behavioural characteristics have been difficult to assess.

Various attempts have been made to identify a single behavioural characteristic that distinguishes humans from all other animals.

There is a hidden subtle dimension to all creatures that makes them what they are, possessing the basic behavioural characteristics of their species.

The behavioural characteristic which facilitates both of these requirements is knowledge of results.

These theories cite environmental, personal, and behavioural characteristics as the major factors in behavioural determination.

Which experiential and behavioural characteristics are valued by the members of a particular social group?

Dogs with heritable diseases, atypical physical and behavioural characteristics are excluded from the program.

Animals can be selectively bred for certain behavioural characteristics, such as having strong maze-solving skills.

Exactly the same as the mood disorders and behavioural characteristics of the primary disease.

A behavioural characteristic of domestic pigs which they share with carnivores is nest building and bed making (although modern production systems often prevent these).