BirdAnalyst
Species · BCR 16 · BBS 2025 Release · 1966–2024

American Coot In Southern Rockies / Colorado Plateau

All regionsSouthern Rockies / Colorado PlateauWetland birds

American Coot in Southern Rockies / Colorado Plateau has increased: up 40% on the route-weighted index since 1970.

+40%Since 1970TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
70Routes In RegionSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
56YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable SignalsNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

No notable trend signals for American Coot in Southern Rockies / Colorado Plateau. See the full index history below.

American Coot In Southern Rockies / Colorado Plateau Population Forecast

If the recent trend holds, American Coot in Southern Rockies / Colorado Plateau is projected to rise about 64% by 2029 — from 0.79 in 2024 to a central estimate of 1.3 (95% range 0.33–2.3). A 5-year backtest shows a typical error of ±105%, with 100% of held-out values landing inside the 95% band.

+64%Change by 2029TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
1.3Projected 2029 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.33–2.395% range95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
±105%Backtest errorBacktest errorTypical error when we hold out the most recent years, forecast them, and compare to what actually happened. Lower means a more trustworthy projection.Full methodology →
If the recent trend holds, American Coot in Southern Rockies / Colorado Plateau is projected to rise about 64% by 2029 — from 0.79 in 2024 to a central estimate of 1.3 (95% range 0.33–2.3). A 5-year backtest shows a typical error of ±105%, with 100% of held-out values landing inside the 95% band.19682029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →95% low95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →95% high95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
20251.20.282.2
20261.30.302.2
20271.30.312.2
20281.30.322.2
20291.30.332.3

Routes In Southern Rockies / Colorado Plateau

Routes recording American Coot in Southern Rockies / Colorado Plateau.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →
VernalUTAH1602018
GuffeyCOLORADO512022
Pagosa SpgsCOLORADO341982
Wellington 2UTAH212009
Rio Grnds RsCOLORADO162024
Mcphee Res.COLORADO162024
PiedraCOLORADO152024
M Warner ResUTAH142024
Sybille CynWYOMING142015
Piceance BasinCOLORADO122006
Navajo LakeUTAH92024
DinosaurCOLORADO82024
DulceNEW-MEXICO72024
BrookhurstWYOMING72019
Groundhog RsCOLORADO61993
AngoraCOLORADO62009
LudlowCOLORADO62014
WaldenCOLORADO52021
CortezCOLORADO52008
TarryallCOLORADO42009
Yellowjacket PassCOLORADO42024
Cortez 2COLORADO42017
BicknellUTAH42007
AltonUTAH42019
HuntARIZONA31992

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.