green-tailed sunbird feeding on rhododendron flower

angkanensis animal asia attraction backgrounds bird flower birds birdwatching blooming blossoming branches closeup colorful complexity eco tourism ecology feather feeding flora floral flowers forest green greentailed sunbird himalayas mountain range native nature nectar park petal plants pollen pollination red rhododendron season species subspecies summer travel trees wild wildlife winter green-tailed close-up bloom doi inthanon thailand