Page 49 - DINOSOUR ATLAS

Upstroke position—the
wings are fully raised, ready
Midway position— for the next power stroke
the wings are partly
folded and raised using , pTErodACTYLuS
a different set of muscles
About 100 Pterodactylus specimens
have been found at Solnhofen. While
dinosaurs ruled the land, these flying
reptiles controlled the skies, and the
small, fish-eating Pterodactylus was a
common sight. It’s lightly built
skeletal framework
downstroke position—the main suggests that it was
flight stroke is made by a powerful a powerful flyer.
thrust of the wings down and backward