All roundupsNationwide · week ending September 14, 2026
The week in rare birds
Fall migrants continue to pepper the eastern United States with warblers and shorebirds through mid-September. Jerome Park Reservoir in New York has emerged as a hotspot for unusual sandpipers and yellowlegs this week.
Forty-one lesser yellowlegs congregated at Jerome Park Reservoir, New York on September 14. This exceptionally high count represents one of the week's most notable shorebird gatherings across the single reporting state.
Jerome Park Reservoir · September 14, 2026 · 41 birds
A Connecticut warbler appeared at Palmyra Cove Nature Park, New Jersey on September 14. This species generated two reports across just two states, making it among the rarest warblers documented this week.
Palmyra Cove Nature Park · September 14, 2026 · 1 bird
Flockline species illustration · Not the reported individual.Across the region
Baird's Sandpipers across multiple states
Baird's sandpipers were reported in two states with up to two birds at Heckscher SP--Field 7, New York on September 14. Four total reports document this species' distributed passage through the Northeast.
Heckscher SP--Field 7 · September 14, 2026 · 1 bird
A mourning warbler was documented at Standifer Gap Marsh, Tennessee on September 14. Only two reports across two states made this a notably elusive warbler sighting for the week.
Flockline species illustration · Not the reported individual.Notable run
Stilt Sandpipers at Jerome Park Reservoir
Seventeen stilt sandpipers appeared at Jerome Park Reservoir, New York on September 14. This single report represents the week's highest concentration of this species in the reporting area.
Jerome Park Reservoir · September 14, 2026 · 17 birds
Flockline species illustration · Not the reported individual.Rare report
Lesser Black-backed Gulls in Michigan
Up to three lesser black-backed gulls visited New Buffalo beach and marina, Michigan on September 14. Three reports from one state underscore this species' continued rarity in the Great Lakes region.
New Buffalo beach and marina · September 14, 2026 · 2 birds
