Sunbird Notes: The common name for this bird is the yellow-bellied sunbird or the olive backed sunbird. The Latin name is Nectorinia Jugularis. The males are distinguished from the females by the bright dark metallic purplish-blue on their chins and upper breasts.They range in size from about 10-12cm. They have long slender curved black bills for taking the sweet nectar from flowers. Their nest is made under full shelter like patio verandas, eves, and carports. The nest consists of dried twigs,leaves, grass or moss stuck together with an entrance on the side. The nest is constructed by the female while the male helps with the feeding of the young. The female can lay up to three eggs. Although primarily a nectar feeder sunbirds feed their young on insects.