Species · BCR 31 · BBS 2025 Release · 1966–2024

Purple Martin In Peninsular Florida

Purple Martin in Peninsular Florida has increased: up 39% on the route-weighted index since 1968.

+39%Since 1968
72Routes In Region
58Years

Notable Signals

No notable trend signals for Purple Martin in Peninsular Florida. See the full index history below.

Forecast

If the recent trend holds, Purple Martin in Peninsular Florida is projected to fall about 52% by 2029 — from 9.8 in 2024 to a central estimate of 4.7 (95% range 0.00–11). A 5-year backtest shows a typical error of ±108.7%, with 100% of held-out values landing inside the 95% band.

-52%Change by 2029
4.7Projected 2029 index
0.001195% range
±108.7%Backtest error
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 index95% low95% high
20255.00.0011
20264.90.0011
20274.80.0011
20284.80.0011
20294.70.0011

Routes In Peninsular Florida

Routes recording Purple Martin in Peninsular Florida.
Shawano 2FLORIDA5522011
Holey LandFLORIDA2742024
ShawanoFLORIDA522000
NobletonFLORIDA322024
SandyFLORIDA302015
MicanopyFLORIDA261991
Dale MabryFLORIDA211988
SalvistaFLORIDA131979
RomeoFLORIDA112024
KendallFLORIDA111991
Mt. OliveFLORIDA102024
KissimmeeFLORIDA92021
Island GroveFLORIDA92024
CorbettFLORIDA82022
IndiantownFLORIDA72009
RedlandsFLORIDA72024
WebbFLORIDA72024
Myakka HeadFLORIDA62003
St AugustineFLORIDA62024
Citrus ParkFLORIDA62022
MabelFLORIDA52011
GardnerFLORIDA51999
Sandy 2FLORIDA52024
Winter GardnFLORIDA42019
PalmdaleFLORIDA42021

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