Two linked articles have additional interesting hummingbird facts.
A Pair of enginers spend 8 years developing bionic exoskeleton after being diagnosed with MS.
These bionic legs can help many people with spinal injuries to be more mobile, while also allowing users exercise their legs and “walk about (assisted by the exoskeleton) without fear of falling.
Promoting rehabilitation from injury is also a possibility.
There is no “normal” animal. Every animal/life defining we assume, there is a creature that defies and decatagorizes it.
These could be the basis of a horror movie – if they were let loose on earth today :O(