noun. Any of various thick-bodied moths of the family Sphingidae, having long narrow forewings, short hind wings, and a long proboscis, and characteristically sucking nectar from flowers while hovering.

noun. Any of several moths, of the family Sphingidae, that hover over flowers when sucking nectar through a long proboscis.

"Probably because the hawkmoth is a better pollinator than hummingbirds -- it travels farther and visits more plants."