BirdAnalyst
Species · BCR 22 · BBS 2025 Release · 1966–2024

Common Yellowthroat In Eastern Tallgrass Prairie

All regionsEastern Tallgrass PrairieForest birds

Common Yellowthroat in Eastern Tallgrass Prairie has increased: up 39% on the route-weighted index since 1968.

+39%Since 1968TrendPercent 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 →
278Routes 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 →
58YearsYears 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 Common Yellowthroat in Eastern Tallgrass Prairie. See the full index history below.

Common Yellowthroat In Eastern Tallgrass Prairie Population Forecast

If the recent trend holds, Common Yellowthroat in Eastern Tallgrass Prairie is projected to fall about 12% by 2029 — from 11 in 2024 to a central estimate of 10.0 (95% range 7.0–13). A 5-year backtest shows a typical error of ±14.5%, with 100% of held-out values landing inside the 95% band.

-12%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 →
10.0Projected 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 →
7.0–1395% 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 →
±14.5%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, Common Yellowthroat in Eastern Tallgrass Prairie is projected to fall about 12% by 2029 — from 11 in 2024 to a central estimate of 10.0 (95% range 7.0–13). A 5-year backtest shows a typical error of ±14.5%, with 100% of held-out values landing inside the 95% band.19662029
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 →
2025107.113
2026107.113
2027107.113
202810.07.013
202910.07.013

Routes In Eastern Tallgrass Prairie

Routes recording Common Yellowthroat in Eastern Tallgrass Prairie.
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 →
BedfordIOWA482018
Kahoka2MISSOURI452024
BryantIOWA432024
BrooklynIOWA432022
LucerneMISSOURI412021
WalesIOWA372018
JanesvilleILLINOIS352024
BelleviewILLINOIS342024
BradburyILLINOIS332024
WallaceINDIANA312024
MurdockNEBRASKA312024
Davis CornerIOWA302024
West LibertyIOWA292024
MarshallILLINOIS282024
Kankakee SandsINDIANA282024
AustinMINNESOTA282023
HarveysburgOHIO281996
StillwellILLINOIS272024
KahokaMISSOURI271998
EmdenMISSOURI272024
MelroseILLINOIS251999
AldenILLINOIS252023
KellILLINOIS252024
College Spgs 2IOWA252023
StetMISSOURI251995

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