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

American Robin In Shortgrass Prairie

All regionsShortgrass PrairieForest birds

American Robin in Shortgrass Prairie has surged: up 292% on the route-weighted index since 1969.

+292%Since 1969
111Routes In Region
57Years

Notable Signals

long arc increasecomputed index

American Robin has surged in Shortgrass Prairie: up 292% on the route-weighted index since 1969.

Forecast

If the recent trend holds, American Robin in Shortgrass Prairie is projected to rise about 21% by 2029 — from 6.3 in 2024 to a central estimate of 7.6 (95% range 5.4–9.9). A 5-year backtest shows a typical error of ±39.8%, with 60% of held-out values landing inside the 95% band.

+21%Change by 2029
7.6Projected 2029 index
5.4–9.995% range
±39.8%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
20257.35.09.5
20267.35.19.6
20277.45.29.7
20287.55.39.8
20297.65.49.9

Routes In Shortgrass Prairie

Routes recording American Robin in Shortgrass Prairie.
LingleWYOMING962024
ElbertCOLORADO572024
Hay SpringsNEBRASKA482024
BereaNEBRASKA372019
ArsenalCOLORADO352015
ChampionNEBRASKA332018
JulesburgCOLORADO292021
FlemingCOLORADO282024
PaxtonNEBRASKA282016
Murray LakeNEBRASKA252024
BrownsonNEBRASKA252021
Prospect ValCOLORADO222000
DaltonNEBRASKA202024
Pine RidgeNEBRASKA192024
HudsonCOLORADO172024
KirkCOLORADO172023
Pine BluffWYOMING172024
Adams Co.COLORADO162022
Fort MorganCOLORADO162024
AmherstCOLORADO152024
KimballNEBRASKA152022
CrawfordNEBRASKA152024
NunnCOLORADO142021
WaverlyCOLORADO132019
BennettCOLORADO132018

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