1) Animal by eating behavior 
==Ecology== Nectar is produced by flowering plants to attract pollinators to visit the flowers and transport pollen between them. Flowers often have specialized structures that make the nectar accessible only for animals possessing appropriate morphological structures, and there are numerous examples of coevolution between nectarivores and the flo...
(from the article `community ecology`) ...species from 17 plant families, and oilbirds eat at least 36 fruit species from 10 plant families. Similarly, hummingbirds, social bees such as ...
nectarivorous, nectarivore, nectarivory Feeding on nectar; said of birds and insects.