hopping, dancing red-crowned cranes

activity aerial airborne aloft attraction avian behavior bird birds black brown cavort cold court courting courtship crane cranes crowned dance dating display displays ecotourism endangered exhibition flapping float floating flock fluttering frigid frozen fuzzy gallantry group grus hill instinct japan japanese japonensis macaque mates nature ostentatious pair pattern pursuit red romance romantic season seasonal showboat showy snow snowy solicitation spectacle suitor suitors threatened travel trees white wildlife wings winter wintry