Given how fast they can travel, there are none that can outrun this incredible dive-bomber. While the peregrine falcon is not currently endangered, their numbers in many regions are falling.

The peregrine falcon’s record-breaking dive is an essential part of its hunting strategy. These raptors are birds of prey that “stoop” or dive in order to strike their kill mid-air.

Based on Szabo’s mathematical modeling and Franklin’s measurements of Frightful in mid-dive, the two men think the secret to a falcon’s speed may be in the jagged edges of its feathers ...