BirdAnalyst
Species · BCR 18 · BBS 2025 Release · 1966–2024

Lark Bunting In Shortgrass Prairie

All regionsShortgrass PrairieGrassland birds

Lark Bunting in Shortgrass Prairie has fallen sharply: down 73% on the route-weighted index since 1969.

-73%Since 1969
124Routes In Region
57Years

Notable Signals

long arc declinecomputed index

Lark Bunting has fallen sharply in Shortgrass Prairie: down 73% on the route-weighted index since 1969.

Forecast

If the recent trend holds, Lark Bunting in Shortgrass Prairie is projected to rise about 129% by 2029 — from 13 in 2024 to a central estimate of 31 (95% range 0.00–80). A 5-year backtest shows a typical error of ±106.8%, with 100% of held-out values landing inside the 95% band.

+129%Change by 2029
31Projected 2029 index
0.00–8095% range
±106.8%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
2025340.0084
2026330.0083
2027320.0082
2028320.0081
2029310.0080

Routes In Shortgrass Prairie

Routes recording Lark Bunting in Shortgrass Prairie.
NunnCOLORADO2622021
StonehamCOLORADO2142021
AgateNEBRASKA2042001
KarvalCOLORADO1982019
Doyle BridgeCOLORADO1841995
KirkCOLORADO1742023
Two ButtesCOLORADO1692015
MarslandNEBRASKA1552021
LimonCOLORADO1432024
Last ChanceCOLORADO1122016
BrownsonNEBRASKA1092021
Last Chance 2COLORADO1032024
BoyeroCOLORADO922017
BriggsdaleCOLORADO902024
Wildhorse LCOLORADO782024
FlemingCOLORADO742023
Agate 2NEBRASKA622024
RockportCOLORADO542024
CircleTEXAS532024
Gordon CreekCOLORADO432024
Mica ButteCOLORADO391987
AmherstCOLORADO392024
Sheridan LakCOLORADO382016
Prospect Valley 2COLORADO382023
RushCOLORADO372024

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