Species · BCR 25 · BBS 2025 Release · 1966–2024

Chimney Swift In West Gulf Coastal Plain / Ouachitas

Chimney Swift in West Gulf Coastal Plain / Ouachitas has fallen sharply: down 71% on the route-weighted index since 1969.

-71%Since 1969
108Routes In Region
57Years

Notable Signals

long arc declinecomputed index

Chimney Swift has fallen sharply in West Gulf Coastal Plain / Ouachitas: down 71% on the route-weighted index since 1969.

Forecast

If the recent trend holds, Chimney Swift in West Gulf Coastal Plain / Ouachitas is projected to rise about 14% by 2029 — from 2.0 in 2024 to a central estimate of 2.3 (95% range 0.00–6.2). A 5-year backtest shows a typical error of ±46.9%, with 100% of held-out values landing inside the 95% band.

+14%Change by 2029
2.3Projected 2029 index
0.006.295% range
±46.9%Backtest error
19672029
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
20252.90.006.8
20262.80.006.6
20272.60.006.5
20282.50.006.3
20292.30.006.2

Routes In West Gulf Coastal Plain / Ouachitas

Routes recording Chimney Swift in West Gulf Coastal Plain / Ouachitas.
NatchitochesLOUISIANA341991
EastonLOUISIANA311990
ChandlerTEXAS232004
ManyLOUISIANA181992
GoodwaterOKLAHOMA172021
OakdaleLOUISIANA161994
MassardARKANSAS132022
CypressLOUISIANA131987
Pine PrairieLOUISIANA131997
McalesterOKLAHOMA121991
BlakelyARKANSAS111999
Fort PolkLOUISIANA111975
De QuincyLOUISIANA112021
EastonTEXAS92013
Mt. SelmanTEXAS92024
Smyrna 2TEXAS92023
PushmatahaOKLAHOMA82023
Lance Rosier BithTEXAS82017
CrowsARKANSAS71991
PoyenARKANSAS72007
SpringhillARKANSAS72022
Magazine MtnARKANSAS72019
CartervilleLOUISIANA71992
CheniereLOUISIANA72024
CaledoniaTEXAS72024

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