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Species · Mississippi · BBS 2026 Release · 1966–2025

Ruby-throated Hummingbird Population Trend in Mississippi

All statesForest birds

Ruby-throated Hummingbird in Mississippi has increased: up 28% on the route-weighted index since 1968.

+28%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 →
66Routes 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 Ruby-throated Hummingbird 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 Ruby-throated Hummingbird in Mississippi. See the full index history below.

Ruby-throated Hummingbird Population Forecast in Mississippi

If the recent trend holds, Ruby-throated Hummingbird in Mississippi is projected to rise about 78% by 2030 — from 0.53 in 2025 to a central estimate of 0.94 (95% range 0.27–1.6). A 5-year backtest shows a typical error of ±54.9%, with 100% of held-out values landing inside the 95% band.

+78%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 →
0.94Projected 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 →
0.27–1.695% 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 →
±54.9%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, Ruby-throated Hummingbird in Mississippi is projected to rise about 78% by 2030 — from 0.53 in 2025 to a central estimate of 0.94 (95% range 0.27–1.6). A 5-year backtest shows a typical error of ±54.9%, 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 →
20260.920.251.6
20270.920.251.6
20280.930.261.6
20290.930.261.6
20300.940.271.6

Ruby-throated Hummingbird Survey Routes in Mississippi

Routes recording Ruby-throated Hummingbird 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 →
Dundee620211978
Okatibbee L.520071996
Sandy Creek419981993
Delta N.F.420161995
Oak Ridge Vick420182015
Trace Madison420192019
Tchula 2419941977
Tchula319751973
Utica320161966
Duck Hill320231987
Tupelo320221966
Benndale320001992
Trace Choctaw320192018
Lucien220071970
Olive Branch219861968
Cockrum220232001
Columbia220071969
Cybur220191966
Panther Swamp Nwr220172016
Water Valley220182015
Holly Springs220242009
Trace North220182008
Amite River220122010
Dahomey Nwr220252011
Tippo220251998

Ruby-throated Hummingbird Population Trend in Other States

alabamaarkansasconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamissourinebraskanew-hampshirenew-jerseynew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawest-virginiawisconsin

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