Hummingbirds are the only birds that can fly in any direction, including backwards and sideways. This remarkable ability allows them to maneuver in tight spaces, escape predators, and access nectar from flowers. But how do they do it? Here are some secrets behind hummingbirds’ amazing flight skills. Flexible shoulder joint: Hummingbirds have a unique shoulder joint that allows them to rotate their wings up to 180 degrees. This means they can flap their wings forward and backward, unlike most birds that can only flap them up and down. By changing the angle and direction of their wing strokes, hummingbirds can generate thrust and lift in any…