New Atlas

First bird-scale robot to swim, dive, and launch back into flight

A robot that swims like a diving bird and then flies like, well, a bird, sounds like the setup for two different machines ...
ZME Science

This 250-Gram Robot Can Swim Underwater Then Fly into the Sky Using Its Flapping Wings Like a Diving Bird

The bird-fish hybrid could one day be used to study aquatic animals underwater and then fly back to the base with data.
Science Daily

When birds lose the ability to fly, their bodies change faster than their feathers

Researchers examined dozens of bird species in museum collections looking for differences in the feathers and bodies between birds that can fly and birds that can't. They found that when birds evolve ...