The Eastern Kingbird looks formal — crisp black above, clean white below, with a neat white band across the tip of the tail as if dipped in paint — but it behaves like anything but. Fiercely territorial, it will attack crows, hawks, and even Bald Eagles that stray too near its nest, riding on their backs and pecking as it drives them off. The scientific name Tyrannus tyrannus, "tyrant of tyrants," captures the attitude perfectly.
It perches conspicuously on wires, fence posts, and dead branches in open country, launching out to catch flying insects and returning to the same perch. Michigan hosts breeding kingbirds across open farmland, field edges, and water margins from May through August. In a remarkable seasonal switch, once it reaches its South American wintering grounds this aggressive insect-hunter joins wandering flocks and lives largely on fruit.
In summer it is an aerial insectivore, sallying from exposed perches to catch bees, wasps, beetles, flies, and dragonflies. On its tropical wintering grounds it shifts almost entirely to fruit, foraging in flocks — a striking dietary reversal between seasons.
That is a defining Eastern Kingbird behavior. It aggressively mobs much larger birds — crows, hawks, herons, even eagles — to drive them away from its nest, often landing on their backs mid-air.
Look for a robin-sized flycatcher, black above and white below, perched upright in the open with a distinctive white band across the tip of the tail. No other Michigan flycatcher shows that white tail tip.
Open habitats — field edges, fence lines, orchards, roadsides, and the margins of lakes and rivers, where it perches conspicuously and hunts flying insects.
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