BirdAnalyst
Species · BCR 31 · BBS 2026 Release · 1966–2025

Great Horned Owl In Peninsular Florida

All regionsPeninsular FloridaBirds of prey

Great Horned Owl in Peninsular Florida has increased: up 33% on the route-weighted index since 1969.

+33%Since 1969TrendPercent 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 →
49Routes 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 →
54YearsYears 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 Great Horned Owl in Peninsular Florida. See the full index history below.

Great Horned Owl In Peninsular Florida Population Forecast

If the recent trend holds, Great Horned Owl in Peninsular Florida is projected to fall about 53% by 2030 — from 0.26 in 2025 to a central estimate of 0.12 (95% range 0.00–0.32). A 5-year backtest shows a typical error of ±57.3%, with 80% of held-out values landing inside the 95% band.

-53%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 →
0.12Projected 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 →
0.00–0.3295% 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 →
±57.3%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, Great Horned Owl in Peninsular Florida is projected to fall about 53% by 2030 — from 0.26 in 2025 to a central estimate of 0.12 (95% range 0.00–0.32). A 5-year backtest shows a typical error of ±57.3%, with 80% of held-out values landing inside the 95% band.19672030
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 →
20260.120.000.32
20270.120.000.32
20280.120.000.32
20290.120.000.32
20300.120.000.32

Routes In Peninsular Florida

Routes recording Great Horned Owl in Peninsular 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 →
CitrusFLORIDA62025
AlvaFLORIDA31993
Myakka HeadFLORIDA21977
ChildsFLORIDA22021
Island GroveFLORIDA22023
PinelandsFLORIDA22023
MicanopyFLORIDA11989
RomeoFLORIDA12019
Dale MabryFLORIDA11982
St AugustineFLORIDA11986
San AntonioFLORIDA12025
MabelFLORIDA11993
ScottsmoorFLORIDA12021
Sunniland GrFLORIDA11994
Ft LonesomeFLORIDA12009
AlturasFLORIDA11986
KenansvilleFLORIDA11991
IndiantownFLORIDA12016
SalvistaFLORIDA11969
AndytownFLORIDA11983
Ft MccoyFLORIDA12025
DeanvilleFLORIDA12011
Pennywash CrFLORIDA11996
Winter GardnFLORIDA12011
Pleasant GrFLORIDA11996

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