BBS Route · Nevada · BCR 9

Humboldt Nf 2 Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 58 species recorded across 5 survey years, still active.

Bird Species Found on Nevada Humboldt Nf 2

Top 40 of 58 species by most recent count. Each links to its species trend.

Species recorded on the Humboldt Nf 2 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
Western MeadowlarkIcteridae732025+29%2022
Vesper SparrowPasserellidae592025+14%2022
Green-tailed TowheePasserellidae392025-9%2022
Yellow WarblerParulidae232025+71%2022
American RobinTurdidae232025-16%2022
Brewer's SparrowPasserellidae192025+9%2022
ChukarPhasianidae162025+71%2022
Red-winged BlackbirdIcteridae162025+43%2022
Brewer's BlackbirdIcteridae152025-7%2022
Mourning DoveColumbidae132025+42%2022
Lazuli BuntingCardinalidae112025+175%2022
Song SparrowPasserellidae92025-21%2022
Warbling VireoVireonidae92025+36%2022
Sage ThrasherMimidae82025-59%2022
Long-billed CurlewScolopacidae62025-25%2022
Mountain BluebirdTurdidae62025+40%2022
Dusky FlycatcherTyrannidae62025+183%2023
Horned LarkAlaudidae52025-42%2022
Rock WrenTroglodytidae52025-40%2022
Spotted TowheePasserellidae52025+400%2023
Northern House WrenTroglodytidae52025-29%2024
KilldeerCharadriidae42025+133%2022
Common RavenCorvidae42025-69%2022
Yellow-breasted ChatIcteriidae42025+86%2022
Barn SwallowHirundinidae42025+150%2023
American CrowCorvidae42025+0%2024
Gray FlycatcherTyrannidae32025-20%2022
Black-billed MagpieCorvidae32025+0%2022
Brown-headed CowbirdIcteridae32025+200%2021
Savannah SparrowPasserellidae32025+67%2022
Orange-crowned WarblerParulidae32025+150%2022
Blue-gray GnatcatcherPolioptilidae32025+0%2022
Wilson's SnipeScolopacidae32025-25%2022
Gray PartridgePhasianidae32025+0%2024
Red-tailed HawkAccipitridae22025+100%2021
Chipping SparrowPasserellidae22025-50%2022
Black-headed GrosbeakCardinalidae22025-25%2022
Black-throated Gray WarblerParulidae22021n/an/a
MacGillivray's WarblerParulidae22024+50%2022
Mountain ChickadeeParidae22024n/an/a

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14. A route is a sample, not a census.