Connecticut warblers pass through Cherry Hill Nature Preserve
September 20, 2026·
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recorded 11 times on 2026-09-07 at Cherry Hill Nature Preserve, confirmed by regional eBird reviewers.1 This small songbird is passing through on its fall migration to South America, with peak migration in September through early October in this region.1
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The surest tell is how it moves. A Connecticut Warbler walks. It paces slowly along the ground or a low branch, bobbing its short tail, and flips dead leaves to get at the insects underneath, the way an Ovenbird does. Nearly every other warbler hops. On stopover it keeps to the bottom of the understory: weedy field edges against woods, thickets, tangles of goldenrod and jewelweed. Whoever is looking for one is looking at the ground, not the canopy, and usually waiting a long time.
The bird's migration runs in a loop. In spring it comes north through the middle of the continent. In fall it swings east to southern New England and the Atlantic coast, and from there it flies out over open ocean. In 2017, researchers fitted geolocators to birds breeding in Manitoba and later recovered four of them. The tracks they read showed roughly 48 hours nonstop over the Atlantic, some 1,700 to 2,400 kilometers, to Cuba or Hispaniola. The birds then spent about a week on the ground there. From there they crossed another 800 kilometers of water to Venezuela and continued on to wintering grounds in the Amazon basin. The bulk of the species passes through the Northeast in the second half of September. A bird on the Hudson on the 11th is on the early side of that window, feeding in the leaf litter before the long overwater leg.
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