2,    adults,    animals,    aves,    bicolor,    bicolour,    birds,    blue-and-yellow,    bough,    boughs,    branches,    budgerigars,    budgies,    cleaning,    cleans,    format,    indoors,    licking,    licks,    limbs,    lovebirds,    parakeets,    pets,    preening,    preens,    psittacines,    sleeking,    twigs,    two-colored,    two-coloured,