This #EarthDay, we’re recognizing the littlest creatures making the BIGGEST impact: hummingbirds. Did you know hummingbirds can indicate overall environment health? You do now. For more, check out: bit.ly/1QjzBY0
1. More than 160 native North American plants depend exclusively on hummingbirds for pollination.
![A hummingbird sitting in a hand](/sites/default/files/upload/photos/enhanced-8715-1429745732-2.jpg)
2. Hummingbirds are the smallest birds in the world, weighing as little as 2.5 grams, the weight of a penny.
![A hummingbird sitting amongst berries](/sites/default/files/upload/photos/enhanced-22494-1429745809-13_0.jpg)
3. Hummingbirds can fly forward, backward and hover.
![A hummingbird flying in midair preparing to collect nectar from a flower](/sites/default/files/upload/photos/enhanced-10374-1429745872-8.jpg)
4. Hummingbirds can travel 600 miles at 25 miles per hour, some journeying 3,000 miles a year.
![A hummingbird flying in midair collecting nectar from a flower](/sites/default/files/upload/photos/enhanced-3440-1429746054-9.jpg)
5. Hummingbirds are fast little guys, capable of flying in bursts up to 60 miles per hour while their wings beat 80 times per second.
![A hummingbird flying midair collecting nectar from a flower](/sites/default/files/upload/photos/enhanced-3442-1429745998-1.jpg)