Species · Vermont · BBS 2025 Release · 1966–2024
Killdeer Population Trend in Vermont
Killdeer in Vermont has collapsed: down 94% on the route-weighted index since 1968.
-94%Since 1968
26Routes In State
57Years
Notable Killdeer Trends in Vermont
long arc declinecomputed index
Killdeer has collapsed in Vermont: down 94% on the route-weighted index since 1968.
Killdeer Population Forecast in Vermont
If the recent trend holds, Killdeer in Vermont is projected to fall about 50% by 2029 — from 0.17 in 2024 to a central estimate of 0.08 (95% range 0.00–2.1). A 5-year backtest shows a typical error of ±686.6%, with 100% of held-out values landing inside the 95% band.
-50%Change by 2029
0.08Projected 2029 index
0.00–2.195% range
±686.6%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.33 | 0.00 | 2.3 |
| 2026 | 0.27 | 0.00 | 2.3 |
| 2027 | 0.20 | 0.00 | 2.2 |
| 2028 | 0.14 | 0.00 | 2.1 |
| 2029 | 0.08 | 0.00 | 2.1 |
Killdeer Survey Routes in Vermont
| Hinesburg | 7 | 1994 | 1966 |
| Waterville | 6 | 1980 | 1969 |
| S Wallingfrd | 3 | 2013 | 1966 |
| Middlesex | 3 | 2019 | 1969 |
| Gaysville | 2 | 2019 | 1967 |
| East Calais | 2 | 2013 | 1966 |
| Newbury | 2 | 1995 | 1986 |
| Marlboro | 1 | 1970 | 1967 |
| North Pownal | 1 | 2005 | 1967 |
| Stratton | 1 | 2017 | 1973 |
| Landgrove | 1 | 2019 | 1966 |
| S Reading | 1 | 2011 | 1966 |
| Post Mills | 1 | 2016 | 1975 |
| Shaftsbury | 1 | 2009 | 1966 |
| W Rutland | 1 | 2024 | 1966 |
| St Johnsbury | 1 | 2024 | 1970 |
| East Haven | 1 | 2016 | 1966 |
| Northfld Fls | 1 | 2011 | 1980 |
| Hardwick | 1 | 2013 | 1966 |
| Greensboro | 1 | 2019 | 1967 |
| Fletcher | 1 | 2024 | 1968 |
| Colchester | 1 | 2019 | 1986 |
| Grand Isle | 1 | 2017 | 1967 |
| Newbury 2 | 1 | 2010 | 2010 |
| Stowe | 1 | 2005 | 1988 |
Killdeer Population Trend in Other States
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Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.