adult

animal

avian

aviary

behavior

bird

birds

blue

bred

budgerigar

budgies

cage

captivity

cheek

colour

domesticated

feather

feathered

feathers

flight

herbivore

herbivorous

high

inactive

inside

mantle

melopsittacus

mimic

mutations

nature

ornithology

parakeet

parrot

parrots

patches

perch

perched

pet

playful

plumage

popular

seating

small

social

swing

tame

three

undulatus

winged

wings

wood

wooden