Archilochus colubris
Bird · Hummingbird · MigratoryA high, metallic chip, a blur at the salvia, and the flower is already swaying before you have found the bird. Ruby-throated Hummingbirds are back on their breeding grounds now, three grams of muscle and iridescence working a garden from first light, draining one blossom and pivoting to the next without ever landing.
Most of them arrived the hard way. Each spring the species funnels south to the Gulf coast and launches out over open water, many of them crossing in a single nonstop flight of up to five hundred miles, then doing it again in reverse come fall. A bird that could perch on a pencil makes that crossing twice a year.
Everything about it runs hot. The wings beat roughly fifty times a second, fast enough to blur and to hum. The heart can pass a thousand beats a minute. To pay for all that, a ruby-throat visits hundreds of flowers a day, and on cold nights it drops into torpor: body temperature falling, heartbeat slowing to a fraction, the bird going cold and still until dawn rather than starve in its sleep.
On an adult male, the throat patch (called a gorget) looks black or dull until light strikes it head-on, then flares brilliant metallic red. Females and young birds show a clean white throat with no red at all.
Both sexes are bright metallic green above and grayish-white below. In full sun the back glints like polished metal; in shade it can read as plain dark.
Watch how it moves: holding dead still in midair, even flying backward, then darting off in any direction. No other bird in the region hovers like this, and the wings dissolve into a faint hum.
Barely three inches from bill to tail, often mistaken at a glance for a large insect or a sphinx moth. Usually heard before it is seen: a sharp, squeaky chase note and the dry buzz of the wings.
Ruby-throated Hummingbirds breed across the eastern United States and southern Canada, from the Great Plains to the Atlantic, and winter in Mexico and Central America. June is peak season: birds are on territory, females are building nests or already feeding young, and feeders see steady traffic from dawn to dusk. Look for them at tubular flowers (salvia, bee balm, trumpet vine, native jewelweed) and at any clean sugar-water feeder. A male will often claim a high bare twig as a lookout and return to the same perch between feeding runs.
A female builds alone, packing plant down and spider silk into a tiny cup bound to a thin downsloping branch, then shingling the outside with flecks of lichen so it vanishes against the bark. It starts about thimble-sized and stretches as the two jellybean-sized chicks grow, the spider silk letting the walls expand with them. From a few feet away it reads as nothing more than a bump on the limb, which is the entire idea.
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