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Species · Minnesota · BBS 2025 Release · 1966–2024

Black-billed Magpie Population Trend in Minnesota

All statesGeneralists

Black-billed Magpie in Minnesota has surged: up 135% on the route-weighted index since 1980.

+135%Since 1980
23Routes In State
46Years

Notable Black-billed Magpie Trends in Minnesota

long arc increasecomputed index

Black-billed Magpie has surged in Minnesota: up 134% on the route-weighted index since 1980.

Black-billed Magpie Population Forecast in Minnesota

If the recent trend holds, Black-billed Magpie in Minnesota is projected to rise about 80% by 2029 — from 0.53 in 2024 to a central estimate of 0.95 (95% range 0.46–1.4). A 5-year backtest shows a typical error of ±68.6%, with 60% of held-out values landing inside the 95% band.

+80%Change by 2029
0.95Projected 2029 index
0.46–1.495% range
±68.6%Backtest error
19782029
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
20250.890.401.4
20260.900.421.4
20270.920.431.4
20280.930.451.4
20290.950.461.4

Black-billed Magpie Survey Routes in Minnesota

Routes recording Black-billed Magpie in Minnesota.
Erie2520171979
Bagley1320061996
Wylie1020241980
Lake Bronson1020111978
Debs620242010
Nebish520232011
Oklee520211979
Grygla520171978
Badger520181978
Lude420231978
Nett Lake420242013
Evergreen320222017
Little Fork320242007
Pine River220242021
Waskish220211982
Blackduck220212017
Backus120242000
Floodwood120232002
Cohasset120221980
Beltrami120242010
Mcgregor120232013
Warroad120241993
Greenbush120241994

Black-billed Magpie Population Trend in Other States

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