Labels:animal | text | mammal | dinosaur OCR: 156 MYA COMPSOGNATHUS A BOUT THE SIZE of a large chicken, Compsognathus was one of the smallest dinosaurs. Many scientists now think that birds are descended from small flesh-eating dinosaurs like Compsognathus. LONG, NARROW HEAD SLIM BUILD LONG HIND LEGS FAST RUNNER Compsognathus could run at high speeds when chasing after its prey. GO TO TIMELINE