A Pterodactylus only had a wingspan of about 5 feet. No matter how efficient its flight was, it would be impossible for it to fly around the world with only two wing flaps, not to mention it would starve and die of sleep deprivation and dehydration before it could complete such a long trip.
Pterodactyl
Pterodactyl.
There is no bird that only flaps its wings every 3 hours. Because it would not be able to stay up in the sky for those 3 hours. I plumt to the earth everytime. I hope this helped you.
A device to aid lift, such as Slats and Flaps on the wings.
it flaps its wings
flaps its wings about 12 times a second.
It flaps it's wings!!!!!
It flaps its wings.
flaps its wings
uh, NO! they just have skin flaps! what do you think flying squirels have wings?!
It got its name because of the webbed feet on its wings
Flaps and slatsSlats and flaps