Measuring a mere 3 inches long and weighing one-tenth of an ounce, roughly the same as a table tennis ball, the Calliope hummingbird is incredibly tiny. In fact, Eric Rasmussen, avian scientist at the ...

Researchers from Canada to Mexico are banding fast-flying hummingbirds to learn more about these dazzling daredevils as they make their way through Utah.

Quick quiz: Name our smallest, fastest, feistiest, shiniest, bravest bird? Answer: the ruby-throated hummingbird, a miniaturized species whose members weigh just a tenth of an ounce (about as much as ...

When Jay Falk and Scott Taylor first saw the white-necked Jacobin hummingbird chick in Panama’s dense rainforest, the bird biologists didn’t know what they were looking at. The day-old bird, smaller ...