BirdAnalyst
Species · Texas · BBS 2025 Release · 1966–2024

Least Grebe Population Trend in Texas

All statesWetland birds

Least Grebe in Texas has surged: up 87% on the route-weighted index since 1972.

+87%Since 1972
24Routes In State
26Years

Notable Least Grebe Trends in Texas

long arc increasecomputed index

Least Grebe has surged in Texas: up 87% on the route-weighted index since 1972.

Least Grebe Population Forecast in Texas

If the recent trend holds, Least Grebe in Texas is projected to stay roughly flat through 2028, near 0.06 (95% range 0.00–0.19). A 5-year backtest shows a typical error of ±176.1%, with 80% of held-out values landing inside the 95% band.

n/aChange by 2028
0.06Projected 2028 index
0.00–0.1995% range
±176.1%Backtest error
19672028
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
20240.060.000.19
20250.060.000.19
20260.060.000.19
20270.060.000.19
20280.060.000.19

Least Grebe Survey Routes in Texas

Routes recording Least Grebe in Texas.
Loyola Beach 23820222011
Hobson1020052004
Katy420232023
Catarina320042004
Loyola Beach320081994
Encinal 2320112011
Zapata219681968
L. Atascosa Nwr220222009
Goliad Prairie220112011
Randado219751975
San Ygnacio219671967
Hinkles Fer220162016
Campbellton220172017
Laredo220232023
Raymondville220071972
Lag Atascosa120222022
Rachal119681968
Encinal120092006
George West120172017
Rock Island120192010
Progreso119961996
Brite119951995
Burton120212021
San Pedro119991999

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