A biologist explains how the peregrine falcon survives dives faster than most sports cars. Here’s why evolution pushed this predator to such terrifying extremes.

The peregrine falcon is said to be able to top 200 miles per hour, typically catching its prey in flight.

EXPECTED TO BEGIN OPERATIONS EARLY NEXT YEAR. PEREGRINE FALCONS, THE FASTEST ANIMAL IN THE WORLD, WERE NEARLY GONE FROM WISCONSIN BACK IN THE 1960S. >> NOW THEIR POPULATION IS ON A TREMENDOUS REBOUND.

A mother peregrine falcon named Carla circled above the Cathedral of Learning on the University of Pittsburgh campus, briefly landing near its towering windows before launching back into the air. With ...