The Winter Wren is a tiny, dark, almost mouse-like bird that creeps through the tangled roots, fallen logs, and mossy debris of damp forests, its stubby tail cocked sharply upward. Barely four inches long and rich brown with fine barring, it stays low in the shadows and often bobs its whole body as it moves, disappearing into cavities and root wads only to pop out somewhere unexpected. For such a minuscule bird, it delivers an astonishing song — a long, silvery, tumbling cascade of trills and warbles that can last several seconds and carry surprisingly far through the woods.
Winter Wrens breed in the cool, moist coniferous and mixed forests of northern Michigan, favoring shady ravines and stream banks thick with fallen wood, and they spread across the rest of the state as migrants and winter residents. Their scientific name Troglodytes means "cave dweller," a nod to their habit of exploring dark crevices and hollows. Finding the source of that long, ringing song often means peering into the darkest, most cluttered corner of the forest floor.
Feeds on insects, spiders, and other small invertebrates gleaned from fallen logs, root tangles, mossy banks, and the forest floor, probing crevices and dark hollows. It hunts low in dense cover, working over decaying wood and leaf litter for its tiny prey.
The Winter Wren's song is remarkably long and complex for its size — a silvery, tumbling cascade of trills lasting several seconds. Relative to its body size, it sings with extraordinary power, and the song carries well through the forest.
Low in damp, shady coniferous or mixed forest, among fallen logs, upturned roots, mossy banks, and stream tangles. It creeps mouse-like through this cluttered cover with its short tail cocked up.
It breeds in the cool forests of the north and occurs across the rest of the state as a migrant and winter visitor, when it turns up in brushy, wooded, and streamside cover.
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