Posted on September 16 2018
The Calliope hummingbird (Selasphorus calliope) is the smallest bird in the United States, measuring just three inches in length and weighing about as much as a ping-pong ball. The species inhabits the Rocky Mountains from British Columbia south to Baja, nesting as high as 10,000 feet above sea level. In winter, they migrate south to … Continue reading "The Hum of Wings"
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