BirdAnalyst
Species · Florida · BBS 2025 Release · 1966–2024

Ruby-throated Hummingbird Population Trend in Florida

All statesGeneralists

Ruby-throated Hummingbird in Florida has edged down: down 17% on the route-weighted index since 1968.

-17%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 →
57YearsYears 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 FloridaNotable 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 Florida. See the full index history below.

Ruby-throated Hummingbird Population Forecast in Florida

If the recent trend holds, Ruby-throated Hummingbird in Florida is projected to rise about 46% by 2029 — from 0.07 in 2024 to a central estimate of 0.10 (95% range 0.00–0.20). A 5-year backtest shows a typical error of ±34.3%, with 80% of held-out values landing inside the 95% band.

+46%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 →
0.10Projected 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 →
0.00–0.2095% 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 →
±34.3%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 Florida is projected to rise about 46% by 2029 — from 0.07 in 2024 to a central estimate of 0.10 (95% range 0.00–0.20). A 5-year backtest shows a typical error of ±34.3%, with 80% 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 →
20250.100.000.20
20260.100.000.20
20270.100.000.20
20280.100.000.20
20290.100.000.20

Ruby-throated Hummingbird Survey Routes in Florida

Routes recording Ruby-throated Hummingbird in Florida.
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 →
Sanderson320211974
Doctor Inlet319931969
Miller Xrds320181990
Oak Grove220111967
Lake Buffum219951987
Hildreth 2220192011
Defuniak Spr219971988
Ft Mccoy220171993
Seminole Hills 2220142013
Blountstown120191993
Broad Branch120221977
Miccosukee120221976
Seminole Hls119921974
Telogia119831983
Port St Joe120011973
Covington120051966
Steinhatchee120231975
Belmont120191973
Micanopy119911968
Romeo120032002
Ocala120192014
Lovedale120112004
Croom120171992
St Augustine120091980
Hilliard120221967

Ruby-throated Hummingbird Population Trend in Other States

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

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