Auditory disturbances promote temporal clustering of yawning and stretching in small groups of budgerigars (Melopsittacus undulatus)
Publication/Journal: Journal of Comparative Psychology
Keywords: arousal, collective behavior, contagious behavior, vigilance
2012
Evidence for Contagious Behaviors in Budgerigars (Melopsittacus undulatus): An Observational Studyof Yawning and Stretching
Publication/Journal: Behavioural Processes
Keywords: contagion, imitation, response facilitation, signal, social coordination, stretching, yawning
2012
Do rhesus monkeys recognize themselves in mirrors?
Publication/Journal: American Journal of Primatology
Keywords: great apes, mirror, monkeys, rhesus, self-recognition
2011
The direction and range of ambient temperature change influences yawning in budgerigars (melopsittacus undulatus)
Publication/Journal: Journal of Comparative Psychology
Keywords: ambient-temperature, brain cooling, melopsittacus undulatus, thermoregulation, yawning
2010
Yawning and thermoregulation
Publication/Journal: Physiology & Behavior
Keywords: epilepsy, multiple sclerosis, schizophrenia, selective brain cooling, sleep, thermoregulation, yawning
2008
Understanding visual barriers: evidence for Level 1 perspective taking in an orang-utan, Pongo pygmaeus
Publication/Journal: Animal Behaviour
Keywords: orangutan, pongo, visial perspective, visual barriers
2005