Effects of spatial and social restrictions on the presence of stereotypies in the budgerigar (Melopsittacus undulatus): a pilot study - Polverino, G; Manciocco, A; Alleva, E (Ethology, ecology & evolution, 2012)
Keywords: animal welfare; Birds; Breeding; budgerigars; Cages; Cameras; Chewing; Duration; females; Grooming; grooming (animal behavior); guidelines; Housing; Locomotion; males; Mastication; Melopsittacus undulatus; Parrots; pecking; Psittaciformes; psychophysical stress; Quality of life; Reproductive cycle; Social behavior; Species; stereotyped behavior; stereotypy; video cameras