2,    adults,    animals,    aves,    beating,    beats,    bicolor,    bicolour,    bird-nests,    birds,    black-white,    breeding,    copulates,    copulating,    copulation,    flapping,    flaps,    format,    laterally,    nests,    outdoors,    outside,    pair,    Sex,    storks,    summerly,    summertime,    summery,    two-colored,    two-coloured,    wing,