Group Of Tiny sparrow birds are sipping water from a pool on the concrete surface at Marunouchi Square, adjacent to Tokyo Station in Japan

water bird small sparrow drinking spot drinking scene birdwatching songbird outdoor urban feather cute wildlife tokyo japan slow bird behavior motion outside daytime marunouchi square pavement ornithology fluffy brown thirsty day sparrow birds drinking water pool concrete ground marunouchi square sipping avian feathered urban oasis avifauna wildlife encounter urban nature feathered friends water source city birds urban wildlife wildlife observation feathered companions nature appreciation birdwatchers delight birdlife