Hummingbirds’ Extreme Lifestyle: The Secrets Revealed
Everyone loves to watch hummingbirds—these tiny, brightly colored birds hovering around flowers and fiercely defending the safety of their feeders. But to the scientists who study them, hummingbirds are more than just an entertaining spectacle. Their tiny size and fast metabolism force them to live a tough life, sometimes shutting down their bodies almost completely to conserve energy so they can survive the night—or fly thousands of miles, sometimes across …
