BBC Earth newsletter
BBC Earth delivered direct to your inbox
Sign up to receive news, updates and exclusives from BBC Earth and related content from BBC Studios by email.
One of the fastest birds of prey in the ultimate test of speed.
The gyrfalcon is the world’s fastest bird in level flight with an average speed of 50-68 mph (80-109 kph). These powerful birds may initially be underestimated, but their strength becomes evident after a few seconds in the air.