Species · Michigan · BBS 2025 Release · 1966–2024

Northern Parula Population Trend in Michigan

Northern Parula in Michigan has surged: up 14× on the route-weighted index since 1968.

14×Since 1968
53Routes In State
56Years

Notable Northern Parula Trends in Michigan

long arc increasecomputed index

Northern Parula has surged in Michigan: up 14× on the route-weighted index since 1968.

Northern Parula Population Forecast in Michigan

If the recent trend holds, Northern Parula in Michigan is projected to rise about 54% by 2029 — from 0.92 in 2024 to a central estimate of 1.4 (95% range 0.83–2.0). A 5-year backtest shows a typical error of ±28.3%, with 80% of held-out values landing inside the 95% band.

+54%Change by 2029
1.4Projected 2029 index
0.832.095% range
±28.3%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
20251.30.731.9
20261.30.761.9
20271.40.781.9
20281.40.812.0
20291.40.832.0

Northern Parula Survey Routes in Michigan

Routes recording Northern Parula in Michigan.
Marenisco1020191981
Gibbs City1020241979
Imp Lake1020191992
Bergland920221979
Ishpeming820231983
Shingleton620241967
Muskallonge620241966
Crystal Fls420241989
Maple Grove420241971
Cluster Lakes420092007
Ontonagon320191985
Brocky Lake320242004
Raco320242009
Bootjack220231971
Herman220221983
Seney Nwr220171992
Gilchrist220211985
Gooseneck220102008
Fowlerville219861983
Sidnaw220241993
Harrietta120162016
Ned Lake120241986
Chippewa Lk.120142014
Cunard119871978
Creighton120051986

Northern Parula Population Trend in Other States

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