Broad-Tailed Hummingbird

Fascinating facts about the Broad-Tailed Hummingbird

• At 5 inches long, a broad-tailed hummingbird weighs less than a penny—yet it migrates 2,000 km from Mexico to the Rocky Mountains each spring, a journey that takes just days. For a human equivalent, it would be like running a marathon while carrying nothing but your own skeleton and a thimbleful of fuel. They refuel every 10 minutes or risk starvation mid-flight.
• Male broad-tailed hummingbirds produce a loud chirp during courtship dives—not with their voice, but with their tail feathers. As the bird plummets at 60 mph, the outer tail feathers vibrate so fast they create sound waves at 2,000 Hz, an acoustic display audible from 100 meters away. It's a high-wire act: miss the angles and the sound fades to nothing, which females interpret as weakness.
• A broad-tailed hummingbird's heart beats up to 500 times per minute at rest and 1,260 times per minute during flight—faster than the wing flaps of many insects. In that pace-controlled blur, they consume up to half their body weight daily in nectar, the metabolic equivalent of a human eating 190 hamburgers before noon.
• These hummingbirds can enter torpor, a state of controlled hibernation, dropping their body temperature from 40°C to 15°C on cold mountain nights. Their metabolism slows to 1% of normal, so a starving bird can survive 24 hours without feeding—critical when snow blankets the high meadows in September.
• Unlike songbirds that inherit migration routes from parents, young broad-tailed hummingbirds navigate alone to mountain breeding sites they've never seen. They rely on an inherited magnetic compass and sun position cues, finding their way across deserts and mountains with no teacher—a GPS system encoded entirely in genes shaped by 2 million years of return journeys.

At a glance

About the Broad-Tailed Hummingbird

In the sun-drenched meadows of the Rocky Mountains, the Broad-Tailed Hummingbird flits with irrepressible energy, its iridescent feathers glimmering like shards of splintered light as it darts from bloom to bloom. With a whir of its remarkable wings, beating at a hypnotic pace of up to 80 times per second, this tiny avian dynamo hovers, pauses, and then explodes into motion once more, its very existence a testament to the wonders of evolutionary adaptation. As it sips nectar from a colorful array of wildflowers, its broad, flat tail feathers shimmer and glow, a subtle yet striking hallmark of this diminutive, yet extraordinary, creature.

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