Do Hummingbirds hum?: fascinating answers to questions about Hummingbirds.
New Brunswick: Rutgers University Press, 2010. Octavo, paperback, photographs, other illustrations. Imagine an animal the size of your thumb, weighing less than a penny, but consuming half of its weight in food each day...Hummingbirds may be the smallest birds in the world, but they have the biggest appetites. Their wings..... More