A mother bird arrives from the right to feed then takes another fecal sac flying away going to the top, Olive-backed Sunbird Cinnyris jugularis, Thailand

olivebacked sunbird cinnyris jugularis sunbird birds yellowbellied passeriformes nectariniidae thailand asia animals forest habitat jungle nature rainforest nest nesting nestlings feeding season wings bill twigs fly national parks songbird small feathers fledgling yellow fecal sac