All roundupsNationwide · week ending September 28, 2026
The week in rare birds
Pelagic species are surging across multiple states this week, with Leach's Storm-Petrels dominating New York and Sabine's Gulls scattered inland. Western mountain finches and Colorado raptors continue their autumn movements amid broader songbird activity.
Up to 220 Leach's Storm-Petrels were reported at Piermont Pier, New York, on September 28, representing the peak count among 189 reports spanning four states. This pelagic species is experiencing exceptional numbers during fall migration.
Sabine's Gulls appeared at Washington Lake, Minnesota, on September 27, with reports from sixteen states and a maximum count of three birds. This represents broad inland penetration by the species during autumn.
Clark's Nutcrackers reached Sabino Vista Hills neighborhood, Arizona, on September 27, with up to 120 birds reported among six states. This eruption reflects the species' ongoing southwestern movement.
Sabino Vista Hills neighborhood · September 27, 2026 · 2 birds
The Fork-tailed Flycatcher remains staked out at CR44 Millersburg, Indiana, with 84 reports concentrated in a single state. This represents an extraordinary inland occurrence for this tropical vagrant species.
Evening Grosbeaks were documented at Los Padres National Forest's Upper Seymour Creek Road, Ventura County, California, on September 27, with nine states reporting up to 20 birds. Fall irruption dynamics are driving western mountain finch activity.
Los Padres NF--Upper Seymour Creek Rd. (VEN Co.) · September 27, 2026 · 15 birds
A Ruby-throated Hummingbird was observed at Hudson, Wisconsin, on September 28, with thirteen states reporting up to 16 birds during migration. This species continues late-season activity across its eastern range.
157 W Canyon Dr, Hudson US-WI 44.95771, -92.70916 · September 28, 2026 · 1 bird
