1: Discover how hummingbirds' heart rate allows for lightning-fast movements and agile flight.

2: A hummingbird's heart can beat up to 1,260 times per minute, fueling their rapid speeds.

3: This extraordinary heart rate allows hummingbirds to hover and dart with precision.

4: Their high metabolism and heart rate support their constant search for nectar.

5: Hummingbirds' heart rate increases during flight, aiding in their quick accelerations and maneuvers.

6: Their unique physiology enables them to reach speeds of up to 30 miles per hour.

7: The hummingbird's heart rate slows significantly during rest to conserve energy.

8: Their rapid heart rate is a key factor in their ability to thrive in diverse habitats.

9: Explore how the hummingbird's heart rate is a marvel of adaptation and evolution.