Budgerigars are small, brightly-coloured birds from Australia that people often keep as pets.
budgerigar in British English
(ˈbʌdʒərɪˌɡɑː)
noun
a small green Australian parrot, Melopsittacus undulatus: a popular cagebird that is bred in many different coloured varieties
Often (informal) shortened to: budgie
Word origin
C19: from a native Australian language
budgerigar in American English
(ˈbʌdʒərɪˌgɑr)
noun
an Australian parakeet (Melopsittacus undulatus) having a greenish-yellow body, marked with bright blue on the cheeks and tail feathers, and wings striped with brown