Stereotypic behaviours in Melopsittacus undulatus: Behavioural consequences of social and spatial limitations
Publication/Journal: Applied Animal Behaviour Science
Keywords: animal welfare, behaviour, environmental enrichments, melopsittacus undulatus, parrot, psycho-physical stress, stereotypy
2015
Validation of a Fecal Glucocorticoid Metabolite Assay to Assess Stress in the Budgerigar (Melopsittacus undulatus)
Publication/Journal: Zoo Biology
Keywords: acth challenge, avian, budgerigar, fecal glucocorticoid metabolite, radioimmunoassay, stress
2013
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
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
Plumage maintenance affects ultraviolet colour and female preference in the budgerigar
Publication/Journal: Behavioural Processes
Keywords: condition-dependent trait, melopsittacus undulatus, ornaments, plumage reflectance, preening, sexual selection
2010
Imitative pecking by budgerigars, Melopsittacus undulatus, over a 24 h delay
Publication/Journal: Animal Behaviour
Keywords: associative sequence learning, budgerigar, delayed imitation, imitation, melopsittacus undulatus, pecking, response facilitation, stepping, two-action test, video stimulus
2009
Effects of aviary and box sizes on body mass and behaviour of domesticated budgerigars (Melopsittacus undulatus)
Publication/Journal: Animal Welfare
Keywords: animal welfare, behaviour, budgerigar, housing, obesity, stereotypy
2006
The Precedence Effect in Three Species of Birds (Melopsittacus undulatus, Serinus canaria, and Taeniopygia guttata)
Publication/Journal: Journal of Comparative Psychology
Keywords: animals, canaries, melopsittacus, sound localization, space perception
2004
Budgerigars (Melopsittacus undulatus) Copy Virtual Demonstrators in a Two-Action Test
Publication/Journal: Journal of Comparative Psychology
Keywords: budgerigars, budgie, cognition
2003