Hummingbird, the fastest bird in the world

Hummingbird is the fastest flapping wing among all birds in the world, and its vibration frequency can reach…
Bird Trivia: Hummingbirds’ average heart rate is 1200 beats per minute

Bird Trivia: Hummingbirds’ average heart rate is 1200 beats per minute

Hummingbird is the smallest of nearly 10,000 known birds. Hummingbirds have incredibly high heart rates. Its average heart…