Species · Tennessee · BBS 2025 Release · 1966–2024
Western Cattle-Egret Population Trend in Tennessee
Western Cattle-Egret in Tennessee has collapsed: down 87% on the route-weighted index since 1974.
-87%Since 1974
15Routes In State
34Years
Notable Western Cattle-Egret Trends in Tennessee
long arc declinecomputed index
Western Cattle-Egret has collapsed in Tennessee: down 87% on the route-weighted index since 1974.
Western Cattle-Egret Population Forecast in Tennessee
If the recent trend holds, Western Cattle-Egret in Tennessee is projected to fall about 92% by 2029 — from 0.09 in 2024 to a central estimate of 0.01 (95% range 0.00–0.52). A 5-year backtest shows a typical error of ±135.2%, with 100% of held-out values landing inside the 95% band.
-92%Change by 2029
0.01Projected 2029 index
0.00–0.5295% range
±135.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.04 | 0.00 | 0.56 |
| 2026 | 0.03 | 0.00 | 0.55 |
| 2027 | 0.02 | 0.00 | 0.54 |
| 2028 | 0.01 | 0.00 | 0.53 |
| 2029 | 0.01 | 0.00 | 0.52 |
Western Cattle-Egret Survey Routes in Tennessee
| Tibbs | 15 | 2004 | 2004 |
| Trenton | 15 | 1992 | 1992 |
| Glen | 12 | 2010 | 2009 |
| Pawpaw | 7 | 2011 | 1971 |
| Pawpaw 2 | 5 | 2013 | 2013 |
| Jefferson Cty | 2 | 2000 | 2000 |
| Mansfield | 2 | 1996 | 1986 |
| Silerton | 2 | 2024 | 2024 |
| Tiptonville | 1 | 2008 | 1984 |
| Moscow | 1 | 1999 | 1999 |
| Whiteville | 1 | 1984 | 1972 |
| Humboldt | 1 | 1982 | 1982 |
| Collinwood | 1 | 2023 | 2017 |
| Campbellsville | 1 | 2005 | 1996 |
| Tullahoma | 1 | 2014 | 2014 |
Western Cattle-Egret Population Trend in Other States
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Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.