There are a number of animals that have the ability to fly, or more technically, glide, from one point to another without having wings. Although it is different from active flight, sugar gliders, fliying squirrels, draco lizards, some ants, snakes and others all have this feature. The flying snakes, of the genus Chrysopelea, are interesting because it is difficult to imagine how an animal without arms or legs can jump off and successfully maneuver itself in the air. Once upon a branch of a tree, these five species of snakes make a J-shaped bend in their bodies before propelling themselves off of the tree. While they are airborne, they pull in their bellies and are able to get more lift from flattening their ribs making a pseudo-wing and continuing to undulate in the air. They can glide for longer horizontal distances than flying squirrels and have a remarkable ability to change directions in air.
This video shows that J-shape the snakes make before gliding:
And check out this video for some snake and lizard gliding:
Shout-out to Dr. Socha, the man handling snakes in the first vid.
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