Species · Maryland · BBS 2025 Release · 1966–2024

American Redstart Population Trend in Maryland

American Redstart in Maryland has surged: up 90% on the route-weighted index since 1968.

+90%Since 1968
64Routes In State
58Years

Notable American Redstart Trends in Maryland

long arc increasecomputed index

American Redstart has surged in Maryland: up 90% on the route-weighted index since 1968.

American Redstart Population Forecast in Maryland

If the recent trend holds, American Redstart in Maryland is projected to fall about 25% by 2029 — from 2.6 in 2024 to a central estimate of 1.9 (95% range 1.2–2.6). A 5-year backtest shows a typical error of ±25.8%, with 40% of held-out values landing inside the 95% band.

-25%Change by 2029
1.9Projected 2029 index
1.22.695% range
±25.8%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
20251.81.12.5
20261.91.22.5
20271.91.22.6
20281.91.22.6
20291.91.22.6

American Redstart Survey Routes in Maryland

Routes recording American Redstart in Maryland.
Oldtown2020241970
Jennings1520241996
Green Ridge1420241995
Smithsburg1120141967
Wolfsville1020241966
Largo1019811967
Finzel920241995
Steyer720241996
Potomac Park520241970
Floyd420241966
Vienna419801976
Earlton420242014
Vindex320241966
Tall Timbers319811969
Pomonkey320241967
Easton319821982
Piney Grove320241999
Berlin320241980
Ijamsville320241986
Silver Spg219771966
Theodore220081968
Elkton219971967
Snow Hill219751966
Jessup220242013
Severna Park219891982

American Redstart Population Trend in Other States

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