You are in the forests of North America, 75 million years ago.

The air in the Alberta floodplain was thick and humid. You were crouched near a fallen redwood, watching a herd of Parasaurolophus grazing in the distance, when the silence was broken—not by a roar, but by a sharp, bird-like hiss.

Movement to your left made you freeze. Emerging from the giant ferns was a Saurornitholestes.

It was small, barely standing two feet tall at the hip, but its presence was instantly intimidating. Covered in a coat of dark, crimson, mottled feathers—blending perfectly with the dappled sunlight—it moved with a terrifying, jerky grace. Its head snapped from side to side, its large eyes tracking movement, and you realized why paleontologists called it a "sneaky" raptor.

It wasn't alone. Another one, slightly smaller, crept out from behind a log. They were communicating with low, guttural clicks, coordinating a move on a small mammal scurrying near your feet.

The leader stopped. Its head turned directly toward your hiding spot. You saw the fangs in the front of its jaws, specialized for gripping. Its second toe lifted, revealing the iconic sickle-shaped claw, which, in the daylight, seemed impossibly long and sharp—a lethal weapon designed to tear…