A Japanese Bush Warbler Bird Singing Breeding Song On A Tree In The Forest Near Saitama, Japan - close up

japanese bush warbler breeding song bird perching songbird avian birdwatching beak habitat branch wildlife singing plumage sing breeding tree nature spring japan fauna small springtime animal environment feathers natural forest brown song nat geo closeup green portrait background national geographic close up wild season outdoors wood attracting beautiful call planet mate behavior nobody saitama no people