It was a tense 3 1/2-hour car ride for Cyndi Routledge, who was chasing down a creature never seen before in Tennessee. Routledge, secretary of the Tennessee Ornithological Society, had gone on drives ...

Anna's hummingbirds can reach top diving speeds of around 60 mph, but their normal flight speed is around 25-30 mph. During flight, the little birds can reach nearly 10 g's of force. When diving, ...

Costa's hummingbird males try to impress the females by dive-bombing them at over 80 kilometres per hour and using the incredible acceleration and speed to generate a song with their tail feathers.