The action of a raptor flying high, then diving upon quarry is known as what?

The action of a raptor flying high and then diving down on its prey is termed a "stoop." This maneuver is characteristic of many falcons, where they utilize gravity to gain speed and momentum, which allows them to strike effectively and with great force. During a stoop, the bird may reach impressive speeds, which increases the chances of successfully capturing its quarry.

This technique is a critical component of hunting behavior in raptors, demonstrating both their physical prowess and hunting strategy. The term "stoop" specifically conveys the idea of the bird taking advantage of altitude and then diving towards the ground to ambush its target.

Other terms listed do not accurately describe this action. "Strike" could refer to the actual impact with the prey, but it doesn’t encompass the entire flight sequence involved. "Cast gorge" pertains to the regurgitation of indigestible parts of a meal, which is unrelated to the hunting behavior. "Throw up" is a colloquial term for vomiting and does not apply in the context of raptor hunting. Thus, "stoop" is the precise term that encompasses the entire action of the raptor diving from heights in pursuit of its prey.