Hummingbird hawk moth (Macroglossum stellatarum)
The hummingbird hawk-moth is a species in the family Sphingidae. It is distributed throughout the northern Old World from Portugal to Japan, but is resident only in warmer climates (southern Europe, North Africa, and points east).
It is a strong flier, dispersing widely and can be found virtually anywhere in the hemisphere in the summer. Its long proboscis and its hovering behaviour, accompanied by an audible humming noise, make it look remarkably like a hummingbird while feeding on flowers. It flies during the day, especially in bright sunshine, but also at dusk, dawn, and even in the rain, which is unusual for even diurnal hawkmoths.
Its visual abilities have been much studied, and it has been shown to have a relatively good ability to learn colours.
photo credits: wiki, bbc, wildlifeinsight, glaucus