Hummingbird Clearwing

Fascinating facts about the Hummingbird Clearwing

• Its wings start out dark red to black, then shed scales like a tiny snowstorm, leaving a clear window edged in reddish-brown, like a stained-glass pane on a hummingbird. With a wingspan of just 4-5.5 cm, it beats those delicate wings so fast it hovers like a miniature helicopter, sipping nectar through a 19-21 mm proboscis. This rapid hovering lets it pollinate flowers.
• From the tundra of Alaska to the subtropical gardens of Florida, the hummingbird clearwing spans over 4,500 km of North America. It migrates north in spring, then heads south again, capable of crossing deserts where food and water are scarce. Such long-distance travel spreads its pollination services across continents, ensuring genetic exchange among plant populations far apart, a hidden thread stitching ecosystems together.
• When it first emerges in late spring, the caterpillar, yellowish-green with dark bands and a tiny white horn, feeds on honeysuckle, dogbane, cherries, hawthorns, and snowberry. After four weeks it burrows underground to overwinter as a hard-shelled brown pupa, then emerges as an adult. This seasonal shift from leaf-eating larva to nectar-sipping adult illustrates a complete metamorphosis that ties forest understory plants to open-field flowers, linking two very different plant communities.
• Adults appear in two broods in the southern part of its range, but only one in the north, timing their life cycles to local climate. In the south they fly from March to June and again August to October, while northern moths are seen only through the summer. This flexible breeding schedule maximizes reproductive success where seasons differ, showing how a single species can adapt its life history to diverse climates across a continent.
• Although it looks like a hummingbird, the clearwing lacks the hearing organs (tympana) most moths have, relying instead on keen vision and a long proboscis to locate flowers. Its light-colored legs and lack of thorax stripes help distinguish it from close relatives. These unique traits make it a master mimic, fooling predators and humans alike, while its pollination of certain orchids shows how mimicry can evolve alongside specialized ecological roles.

Sources

Every fact above was checked against these pages, and kept only where one of them states it.

• Wikipedia
• Animal Diversity Web

At a glance

About the Hummingbird Clearwing

In the warm, golden light of a summer's day, the Hummingbird Clearwing dances through the air, its iridescent wings beating at a hypnotic pace as it sips nectar from a tapestry of colorful flowers. With its rapid, darting movements, this diminutive creature embodies the very essence of joy and abandon, its transparent wings glimmering like stained glass as it flits from bloom to bloom. As it hovers, its long, extendable tongue probes the depths of each flower, gathering the sweet rewards that fuel its whirlwind existence.

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