BirdAnalyst
Species · BCR 15 · BBS 2025 Release · 1966–2024

Northern Mockingbird In Sierra Nevada

All regionsSierra NevadaGeneralists

Northern Mockingbird in Sierra Nevada has edged up: up 11% on the route-weighted index since 1976.

+11%Since 1976
10Routes In Region
27Years

Notable Signals

No notable trend signals for Northern Mockingbird in Sierra Nevada. See the full index history below.

Forecast

If the recent trend holds, Northern Mockingbird in Sierra Nevada is projected to rise about 68% by 2029 — from 0.05 in 2024 to a central estimate of 0.09 (95% range 0.00–0.19). A 5-year backtest shows a typical error of ±44.1%, with 80% of held-out values landing inside the 95% band.

+68%Change by 2029
0.09Projected 2029 index
0.00–0.1995% range
±44.1%Backtest error
19742029
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
20250.090.000.19
20260.090.000.19
20270.090.000.19
20280.090.000.19
20290.090.000.19

Routes In Sierra Nevada

Routes recording Northern Mockingbird in Sierra Nevada.
Higgins CornCALIFORNIA42023
Bass LakeCALIFORNIA22009
Silver CityCALIFORNIA21980
Eagle LakeCALIFORNIA11975
WoodfordsCALIFORNIA12024
Greenhorn MtCALIFORNIA12006
Kings CanyonCALIFORNIA11989
SattleyCALIFORNIA12017
DownievilleCALIFORNIA12001
CoultervilleCALIFORNIA12009

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