avian
aviary
back
behavior
bird
blue
branch
bred
breeding
budgerigar
budgie
cage
captive
captivity
colorful
coloring
companions
domesticated
feathers
flight
friends
gregarious
herbivore
herbivorous
markings
melopsittacus undulatus
nape
ornithology
pair
parakeet
parrot
pattern
perch
perched
pet
plumage
resting
scalloped
sitting
sociable
tame
two
undulating
wild
wildlife
winged
wings
zoology