The purple-collared woodstar (Myrtis fanny) is a species of hummingbird in tribe Mellisugini of subfamily Trochilinae, the "bee hummingbirds". It is found in Ecuador and Peru.
Taxonomy and systematics
The exact relationships within the "bee hummingbirds" are uncertain, but the purple-collared woodstar appears to be closely related to the amethyst woodstar (Calliphlox amethystina). It is the only member of its genus and has two subspecies, the nominate M. f. fanny and M. f. megalura.
