Species · BCR 23 · BBS 2025 Release · 1966–2024

Northern Mockingbird In Prairie Hardwood Transition

Northern Mockingbird in Prairie Hardwood Transition has surged: up 443% on the route-weighted index since 1969.

+443%Since 1969
41Routes In Region
57Years

Notable Signals

long arc increasecomputed index

Northern Mockingbird has surged in Prairie Hardwood Transition: up 443% on the route-weighted index since 1969.

Forecast

If the recent trend holds, Northern Mockingbird in Prairie Hardwood Transition is projected to fall about 40% by 2029 — from 0.23 in 2024 to a central estimate of 0.14 (95% range 0.00–0.28). A 5-year backtest shows a typical error of ±57.2%, with 100% of held-out values landing inside the 95% band.

-40%Change by 2029
0.14Projected 2029 index
0.000.2895% range
±57.2%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
20250.130.000.27
20260.130.000.28
20270.140.000.28
20280.140.000.28
20290.140.000.28

Routes In Prairie Hardwood Transition

Routes recording Northern Mockingbird in Prairie Hardwood Transition.
N BaltimoreOHIO102019
MiddleburyINDIANA92024
South BendINDIANA81984
KnoxINDIANA62024
LakevilleINDIANA42023
LagrangeINDIANA42024
BismarkOHIO31993
AdrianMICHIGAN22017
LimestoneOHIO22023
KewannaINDIANA12019
Columbia CtyINDIANA12022
PackertownINDIANA12004
EllisINDIANA12009
Packertown 2INDIANA12014
ScottvilleMICHIGAN11993
LawrenceMICHIGAN12009
New TroyMICHIGAN11976
BeldingMICHIGAN11993
GalesburgMICHIGAN12024
HowardsvilleMICHIGAN12007
MontereyMICHIGAN12009
RemusMICHIGAN12002
MottvilleMICHIGAN12008
PrattvilleMICHIGAN11987
PettysvilleMICHIGAN11979

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