Golden-Crowned Kinglet (Regulus satrapa) lives in coniferous forests across North America. It feeds on insects and spiders. Its conservation status is Least Concern.
Fascinating facts about the Golden-Crowned Kinglet
- At just 8 to 11 cm long, the golden-crowned kinglet is probably the shortest American passerine, weighing only 6.1 g in females and 6.3 g in males. Its tiny frame rivals the American bushtit and black-tailed gnatcatcher, and its wingspan stretches a mere 5.5-7.1 in. Such a feather-light body lets it dart through conifer branches, catching insects mid-air, and explains why it can hover on twig tips while foraging.
- Golden-crowned kinglets build a concealed hanging cup nest on conifer branches and lay two clutches each breeding season, each clutch holding 8 to 9 eggs. After 14 to 15 days of female incubation, hatchlings emerge weighing just 0.73-1.03 g, then grow five to seven times heavier by day seven. Fledging occurs after 16 to 19 days, and the young become fully independent 33 to 36 days after hatching.
- During winter, golden-crowned kinglets huddle in groups of two to four, a behavior that reduces heat loss in cold conifer forests. Their alarm calls pierce the air at a precise 7,728 Hz and last only about 0.18 seconds, alerting both conspecifics and mixed-species flock mates to predators like sharp-shinned hawks. By joining mixed flocks, they gain extra eyes and ears, while still maintaining their own tight huddles for warmth.
- Golden-crowned kinglets defend an average territory of just 0.016 km² (range 0.009-0.025 km²), a pocket of coniferous forest they patrol fiercely during breeding. Males use their bright orange crown feathers and tail twitches as visual warnings, while both sexes sing "tsee" calls to mark boundaries.
- The longest-recorded wild golden-crowned kinglet lived 6.3 years, a lifespan limited by predation, severe winters, and human hazards like window collisions. Understanding this brief but prolific life history highlights why protecting winter habitats and reducing collision risks.
Sources
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At a glance
RangeNorth America
HabitatConiferous forests
DietInsects and spiders
About the Golden-Crowned Kinglet
In the frost-encrusted canopies of North America's woodlands, the golden-crowned kinglet flits with irrepressible energy, its tiny, iridescent form a whirlwind of movement as it pursues the hidden insects that sustain it. With a flicker of its olive-green wings, this diminutive monarch darts between the branches, its golden crest glowing like a miniature sunburst amidst the somber hues of winter. As it forages, its high-pitched, tinkling song pierces the crisp air, a bright, insistent thread woven into the tapestry of the forest's soundscape.
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