Species · Nebraska · BBS 2025 Release · 1966–2024

Blue Grosbeak Population Trend in Nebraska

Blue Grosbeak in Nebraska has surged: up 269% on the route-weighted index since 1969.

+269%Since 1969
70Routes In State
57Years

Notable Blue Grosbeak Trends in Nebraska

long arc increasecomputed index

Blue Grosbeak has surged in Nebraska: up 269% on the route-weighted index since 1969.

Blue Grosbeak Population Forecast in Nebraska

If the recent trend holds, Blue Grosbeak in Nebraska is projected to stay roughly flat through 2029, near 3.6 (95% range 2.4–4.8). A 5-year backtest shows a typical error of ±13.2%, with 100% of held-out values landing inside the 95% band.

-8%Change by 2029
3.6Projected 2029 index
2.44.895% range
±13.2%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
20253.42.24.6
20263.42.24.6
20273.52.34.7
20283.52.34.7
20293.62.44.8

Blue Grosbeak Survey Routes in Nebraska

Routes recording Blue Grosbeak in Nebraska.
Boelus1420222018
Hendley1320242018
Stratton1220241975
Midway1220231967
Berwyn 21220182014
Paxton1120161967
Bartley1020241967
Petersburg1020231979
Crookston1020242018
Brady920241980
Berwyn920101994
Kenesaw820241980
Benkelman820221986
Arthur820241998
Mullen820231999
Dalton720241968
Sparta720211967
Sumner620241977
Oconto619751975
Eagle Creek620241968
Swan Lake620232007
Murray Lake620241987
Nenzel620242018
Sargent620242021
Agate 2620242007

Blue Grosbeak Population Trend in Other States

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