Early birds could achieve liftoff
Gliding from trees wasn’t necessary for flight evolution, analysis suggests
![Microraptor](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/10/102816_MR_flight-evolution_main.jpg?fit=860%2C460&ssl=1)
UP, UP AND AWAY The four-winged dinosaur Microraptor (illustrated) could launch itself into the air and didn’t need to glide from tree to tree, a new fossil analysis suggests.
Durbed/Wikimedia Commons (CC BY-SA 3.0)