Black-throated Mango

Associated Smithsonian Expert: Gary R. Graves, Ph.D.

Dr. Gary Graves had an early childhood fascination with birds that eventually led him to his role as curator of birds at the National Museum of Natural History.

Photo by Don Hurlburt, Smithsonian Institution

Dr. Gary Graves is a research zoologist and curator of birds at the Smithsonian National Museum of Natural History where his research focuses on the ecology, biogeography, and evolution of birds. His early childhood fascination with birds led to graduate studies at Louisiana State University and Florida State University: "I am unapologetically curious about natural history and the ways that natural history observations catalyze important ecological and evolutionary discoveries." His dissertation work focused on speciation of birds in the Andes Mountains of Peru. He has also conducted fieldwork in Brazil, Ecuador, Panama, Colombia, Polynesia, Canada, and in more than half the states in the USA. His current research efforts are split between the analysis of complex data sets based on the collective resources of the World's great museums and conducting field research in Jamaica, the great forests of the eastern USA, and in the Sonoran Desert.

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This image was obtained from the Smithsonian Institution. The image or its contents may be protected by international copyright laws.
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Alpine Swift (Tachymarptis melba) in flight
Courtesy of Jonathan Hornung, via Wikimedia Commons, BY-NC-SA

About Swifts and Hummingbirds (Order Apodiformes): Locomotion

As their name implies (Apodiform = "unfooted"), swifts and hummingbirds are exceptional flyers. They have light bodies, long wings (thanks to a long hand bone), and tiny feet that work for perching, but not walking. Their tapering wings beat rapidly for fast, agile flight. Swifts stay aloft for extraordinary periods of time, generally spending the whole day flying, perching only at night. Hummingbirds look like bees because of their unique ability (amongst birds) to hover, their wings making a buzzing sound as they beat up to 80 times per second. They fly forward and backward, rotating the outer (hand) part of their wings to maneuver. Hummingbirds hover while feeding on plant nectar that fuels their high-energy flight. Both swifts and hummingbirds catch insects on the wing by opening their mouths wide while flying. Some swifts and hummingbirds make migrations of hundreds of miles to warmer areas during the winter.