Novelty influences play structure use in a group of bonnet macaques . Response to temporally distributed feeding schedules in a group of bonnet macaques . Categorization of natural stimuli by captive chimpanzees using a same-different task.
Social behavior is related to single housing experience in adult male macaques.
Patterns in the use of large play structures in a group of juvenile bonnet macaques. Categorization of natural stimuli by captive chimpanzees using a same-different task . Categorization of natural stimuli by captive chimpanzees using a same-different task . Creativity is a necessary component of effective environmental enrichment . Designation of gender affects attitudes toward animals used in biomedical research .