olive-backed sunbird cinnyris jugularis or yellow-bellied sunb

anceps animal backed bird blooming blossom blue bombax bush cinnyris collection cotton dust ecology entomology eye feeder feeding flora flower flying freedom green habitat hang happy hold honey jugularis nature nectar olive petal pieris pierre pollen pollinate pollination proboscis silk single spring springtime sting striped summer sunbird sweet top tree white wild wildlife wing work yellow