Broad-tailed hummingbirds (Selasphorus platycercus) fly south from Rocky Mountain National Park in the fall.
Photo courtesy of Rocky Mountain National Park
Mountain chickadees (Poecile gambeli) move to lower altitudes near Rocky Mountain National Park for the winter.
Did You Know?
The area now known as Rocky Mountain National Park has been occupied by human beings for 10,000 years. Archeologists have found more than 300 prehistoric sites at elevations ranging from 8,000 to 13,000 feet above sea level.
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