How to use in-sentence of “flapping”:
+ Birds can move by flapping their wings, or they can stay in the same place.
+ They can hover in mid-air by rapidly flapping their wings 12–80 times per second.
+ Scapular orientation in theropods and basal birds, and the origin of flapping flight.
+ In addition, “Rahonavis” shoulder bones show evidence of ligament attachments allowing the independent mobility needed for flapping flight.
+ The bat circles slowly while flapping its monstrous wings.
+ It can move at speeds of 56–70 kilometers per hour when gliding or flapping its wings.
+ Instead of flapping its wings continuously while flying, “Onychonycteris” likely alternated between flaps and glides while in the air.
