BirdAnalyst
Species · Mississippi · BBS 2026 Release · 1966–2025

Common Yellowthroat Population Trend in Mississippi

All statesForest birds

Common Yellowthroat in Mississippi has declined: down 36% on the route-weighted index since 1968.

-36%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 →
74Routes In StateSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
59YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Common Yellowthroat Trends in MississippiNotable 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 Mississippi. See the full index history below.

Common Yellowthroat Population Forecast in Mississippi

If the recent trend holds, Common Yellowthroat in Mississippi is projected to fall about 16% by 2030 — from 5.7 in 2025 to a central estimate of 4.8 (95% range 0.18–9.5). A 5-year backtest shows a typical error of ±16.2%, with 100% of held-out values landing inside the 95% band.

-16%Change by 2030TrendPercent 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 →
4.8Projected 2030 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.18–9.595% 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 →
±16.2%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 Mississippi is projected to fall about 16% by 2030 — from 5.7 in 2025 to a central estimate of 4.8 (95% range 0.18–9.5). A 5-year backtest shows a typical error of ±16.2%, with 100% of held-out values landing inside the 95% band.19662030
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 →
20265.30.6810.0
20275.20.559.9
20285.10.439.7
20295.00.309.6
20304.80.189.5

Common Yellowthroat Survey Routes in Mississippi

Routes recording Common Yellowthroat in Mississippi.
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 →
Diberville2819871979
Olive Branch2420011966
Water Valley2320182015
Latimer 22120232021
Latimer2020191988
Beverly1720111966
Commerce1719931966
Walthall1519871970
De Soto1520192008
Tallahatchie1520251996
Duffee1420081973
Fontainbleau1319781968
Holly Springs1320242009
Tchula1219751970
Corinth1220251972
Grenada Lake1220191997
Monticello1120172007
Weir1020252007
Okatibbee L.1020081995
Trace Hinds1020252014
Embry1020251988
Scooba 21019871983
Duck Hill820251968
Lake820251966
Poplarville819721972

Common Yellowthroat Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14.