BirdAnalyst
BBS Route · Nevada · BCR 9

Thorne Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 19 species recorded across 9 survey years, no longer active.

19Species RecordedSpecies recordedDistinct species detected on standard-protocol BBS runs here across all years on record — a measure of survey breadth, not a complete checklist.Full methodology →
9Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1968–1979Span
2Observers

Bird Species Found on Nevada Thorne

Top 19 of 19 species by most recent count. Each links to its species trend.

Species recorded on the Thorne route.
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 →TrendPercent 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 →Baseline yearThe first year of the smoothed window the trend is measured from. An earlier baseline means a longer record stands behind the number.Full methodology →History
Black-throated SparrowPasserellidae1361979+22%1970
Horned LarkAlaudidae1321979-12%1970
Sagebrush SparrowPasserellidae181979+143%1971
Brewer's SparrowPasserellidae91978n/an/a
House FinchFringillidae71970n/an/a
Mourning DoveColumbidae31979+200%1973
Rock WrenTroglodytidae21979-65%1970
Sage ThrasherMimidae21979-60%1973
Western MeadowlarkIcteridae21974n/an/a
Vesper SparrowPasserellidae21978n/an/a
Say's PhoebeTyrannidae11974-80%1969
Loggerhead ShrikeLaniidae11979+0%1971
Common RavenCorvidae11978+0%1969
Prairie FalconFalconidae11973+0%1970
Common NighthawkCaprimulgidae11971n/an/a
Golden EagleAccipitridae11973n/an/a
Ferruginous HawkAccipitridae11978n/an/a
Northern MockingbirdMimidae11978n/an/a
Red-tailed HawkAccipitridae11979n/an/a

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.