sentences:  Together, these features indicate "Istiodactylus" fed on large prey that necessitated strong jaws for processing, yet was also motionless enough so that strain on the jaws and skull could be controlled during feeding.The eyes of "Istiodactylus" also seem to have been proportionally small, compared to pterosaurs that are presumed to have been predatory (such as ornithocheirids).Witton concluded that among pterosaurs, "Istiodactylus" appears to have been the best-adapted for a scavenging lifestyle.