The effect providing space in excess of standards on the behaviour of budgerigars in aviaries

Authors: Clive J. C. Phillips, Cameron Farrugia, Chun-han Lin, Karen Mancera, Bob Doneley

Publication/Journal: Applied Animal Behaviour Science

Keywords: animal welfare, aviary, behaviour, budgerigar, flight

2018

Validation of a Fecal Glucocorticoid Metabolite Assay to Assess Stress in the Budgerigar (Melopsittacus undulatus)

Authors: Anna M. Young, Dennis M. Hallford

Publication/Journal: Zoo Biology

Keywords: acth challenge, avian, budgerigar, fecal glucocorticoid metabolite, radioimmunoassay, stress

2013

Plumage maintenance affects ultraviolet colour and female preference in the budgerigar

Authors: M. Griggio, H. Hoi, A. Pilastro

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

Authors: Charlotte Richards, Kieron Mottley, John Pearce, Cecilia Heyes

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)

Authors: S.G. Gebhardt-Henrich, A. Steiger

Publication/Journal: Animal Welfare

Keywords: animal welfare, behaviour, budgerigar, housing, obesity, stereotypy

2006

Ultraviolet signals in birds are special

Authors: F. Hausmann, K. E. Arnold, N. J. Marshall, I. P. F. Owens

Publication/Journal: Proceedings of the Royal Society B: Biological Sciences

Keywords: birds, color, colour, fluorescence, sexual selection, signalling, ultraviolet reflectance

2003

A comparison of sex steroid hormone excretion and metabolism by psittacine species

Authors: Julian Lee, Lisa Tell, Bill Lasley

Publication/Journal: Zoo Biology

Keywords: amazon parrot, budgerigar, estradiol, fecal steroids, testosterone

1999

Visual pigments and oil droplets from six classes of photoreceptor in the retinas of birds

Authors: JK, Bowmaker, LA, Heath, SE, Wilkie, DM. Hunt

Publication/Journal: Vision Research

Keywords: absorption, bird, budgerigar, colour vision, cone, double cone, long-wave, long-wave cone class, melopsittacus undulatus, microspectrophotometric, oil droplet, psittaciformes, retinal photoreceptors, shell parakeet, single cone, taeniopygia guttata, visual pigment, visualpigments, zebra finch

1996

Auditory Perception of Conspecific and Heterospecific Vocalizations in Birds: Evidence for Special Processes

Authors: Robert J. Dooling, Susan D. Brown, Georg M. Klump, Kazuo Okanoya

Publication/Journal: Journal of Comparative Psychology

Keywords: acoustic communication, auditory perception, bird calls, birds, communication

1992