BirdAnalyst
Species · BCR 11 · BBS 2025 Release · 1966–2024

Northern Mockingbird In Prairie Potholes

All regionsPrairie PotholesGeneralists

Northern Mockingbird in Prairie Potholes has declined: down 50% on the route-weighted index since 1975.

-50%Since 1975TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
13Routes In RegionSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
13YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable SignalsNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

No notable trend signals for Northern Mockingbird in Prairie Potholes. See the full index history below.

Routes In Prairie Potholes

Routes recording Northern Mockingbird in Prairie Potholes.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →
WashingtonIOWA12017
MaynardMINNESOTA11981
DawsonMINNESOTA12003
BeltramiMINNESOTA11967
RedstoneMONTANA12016
Eagle CreekNEBRASKA11976
MidwayNEBRASKA11975
KemptonNORTH-DAKOTA11997
DenbighNORTH-DAKOTA11987
ParshallNORTH-DAKOTA11985
Sheyenne LkNORTH-DAKOTA11993
GeddesSOUTH-DAKOTA12006
Crow CreekSOUTH-DAKOTA12006

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