C470 The Gu Worm
The black-feathered butterfly's wingbeats were slow and graceful, yet it could hover in midair with a marvel akin to that of a hummingbird.
Hummingbirds are the only birds in nature capable of true hovering and backward flight, achieved through rapid wing flapping at dozens of beats per second.
In contrast, the Nine-winged Black Feathered Butterfly flapped its wings leisurely