Eastern Kingbird (Tyrannus tyrannus) lives in open areas across Eastern North America. It feeds on insects and fruit. Its conservation status is Least Concern.
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A real field recording of the Eastern Kingbird, made in the wild.
Recording: Sebastián de Jesús Herrera Buenfil, CC BY, via iNaturalist
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At just under a foot across, eastern kingbirds span 33-38 cm (13-15 in) and weigh only 33-55 g (1.2-1.9 oz), yet their long, pointed wings let them dart like tiny jets over open fields. Their compact 19-23 cm (7.5-9.1 in) bodies pack a powerful beak for snatching insects mid-air, turning them into efficient pest-controllers across North America's savannas and suburbs. This blend of size and speed lets a single bird patrol a territory the size of a football field, keeping insect numbers in check while barely tipping the scales.
Eastern kingbirds, laying 2 to 5 eggs, usually three, high up 2 to 8 m in trees or shrubs. Both parents guard the cup, but only the female incubates for 14 to 17 days before the chicks hatch. The hatchlings fledge after another 16 to 17 days, and parents keep feeding them for up to five weeks.
When a rival hawk or crow swoops near a nest, eastern kingbirds launch a fierce mobbing attack, diving with their red crown feathers flared and mouths wide open. Experiments showed nests placed next to active kingbird territories were ignored by ravens and crows, while identical nests farther away were quickly discovered. This aggressive defense not only protects their own eggs.
In autumn, eastern kingbirds gather in sky-bound caravans that can swell to several thousand birds, migrating by day in flocks of 10 to 60 or sometimes thousands. They cross continents from North America to the western Amazon basin, arriving in the United States as early as March and heading south from late July through September.
From May through September, insects make up 85 % of the eastern kingbird's diet, including bees, wasps, beetles, grasshoppers, bugs and flies. The bird perches openly then darts out, often hovering to pluck prey from foliage before smashing larger catches against a branch. They may help to control insect pest populations.
Sources
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As the Eastern Kingbird takes to the skies, its slate-grey plumage glistens like polished stone, and with a few swift beats of its wings, it hurtles through the air with a mesmerizing agility, its long, forked tail streaming behind it like a dark banner. With an unyielding fearlessness, it patrols its domain, a monarch of the open fields and woodland edges, ever vigilant for the insects that fuel its tireless pursuits. In its domain, the Eastern Kingbird reigns supreme, a dynamic and charismatic presence that brings a spark of life to the summer landscape.
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