kept that toe’s enlarged and recurved claw from getting dulled as the animal walked. Consequently, it stayed lethally sharp,” explained Persons. For context, a velociraptor was a dinosaur ...

When they caught up to prey, these predators likely brought them down quickly with a long, 3.5-inch (9-centimeter) retractable claw on each foot and a mouth full of sharp teeth. Velociraptor is ...

The two-toe imprints in each footprint point to a raptor, technically known as a deinonychosaur ... but one is held off the ground to protect the large "killing claw" at its tip.