Species · Pennsylvania · BBS 2025 Release · 1966–2024
Yellow-breasted Chat Population Trend in Pennsylvania
Yellow-breasted Chat in Pennsylvania has collapsed: down 95% on the route-weighted index since 1968.
-95%Since 1968
103Routes In State
58Years
Notable Yellow-breasted Chat Trends in Pennsylvania
long arc declinecomputed index
Yellow-breasted Chat has collapsed in Pennsylvania: down 95% on the route-weighted index since 1968.
Yellow-breasted Chat Population Forecast in Pennsylvania
If the recent trend holds, Yellow-breasted Chat in Pennsylvania is projected to fall about 100% by 2029 — from 0.15 in 2024 to a central estimate of 0.00 (95% range 0.00–0.58). A 5-year backtest shows a typical error of ±380.3%, with 100% of held-out values landing inside the 95% band.
-100%Change by 2029
0.00Projected 2029 index
0.00–0.5895% range
±380.3%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.00 | 0.00 | 0.58 |
| 2026 | 0.00 | 0.00 | 0.58 |
| 2027 | 0.00 | 0.00 | 0.58 |
| 2028 | 0.00 | 0.00 | 0.58 |
| 2029 | 0.00 | 0.00 | 0.58 |
Yellow-breasted Chat Survey Routes in Pennsylvania
| Plesant Grov | 4 | 2024 | 1966 |
| Portersville | 3 | 1988 | 1976 |
| Normalville | 3 | 1973 | 1966 |
| Needmore | 3 | 1991 | 1966 |
| Berwick | 3 | 1996 | 1996 |
| Roulette | 2 | 1989 | 1972 |
| Ramsey | 2 | 1981 | 1969 |
| Canadensis | 2 | 1974 | 1974 |
| Shelocta | 2 | 2023 | 1968 |
| Bald Eagle | 2 | 1971 | 1971 |
| Naginey | 2 | 2002 | 1971 |
| Pine Gr Mill | 2 | 2024 | 1967 |
| Mifflintown | 2 | 2023 | 1966 |
| Jefferson | 2 | 2024 | 1966 |
| Warrens Mill | 2 | 2021 | 1971 |
| West Grove | 2 | 1996 | 1966 |
| Sugar Grove | 2 | 1982 | 1982 |
| Slippery Rk | 1 | 1974 | 1974 |
| Espyville | 1 | 1996 | 1994 |
| Clover | 1 | 2004 | 2004 |
| Harmonsburg | 1 | 1995 | 1966 |
| Akeley | 1 | 1976 | 1975 |
| Teepleville | 1 | 1969 | 1966 |
| Sigel | 1 | 2011 | 1981 |
| Lynch | 1 | 1992 | 1971 |
Yellow-breasted Chat Population Trend in Other States
alabamaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonsouth-carolinasouth-dakotatennesseetexasutahvirginiawashingtonwest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.