BBS Route · Wyoming · BCR 16

Warbonnet Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 103 species recorded across 29 survey years, still active.

Bird Species Found on Wyoming Warbonnet

Top 40 of 103 species by most recent count. Each links to its species trend.

Species recorded on the Warbonnet 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
Common RavenCorvidae34202514×2004
Vesper SparrowPasserellidae292025+7%1997
European StarlingSturnidae24200415×1994
Brewer's BlackbirdIcteridae212025-54%1994
American RobinTurdidae202025-11%1994
Black-billed MagpieCorvidae14202414×2008
Horned LarkAlaudidae132025-23%1994
Pine SiskinFringillidae112025-54%1994
Song SparrowPasserellidae102025+20%1994
Broad-tailed HummingbirdTrochilidae92025+67%1994
MallardAnatidae92025+20%2006
Evening GrosbeakFringillidae92025n/an/a
Warbling VireoVireonidae82025+119%1998
Mountain ChickadeeParidae82025+11%1998
Brewer's SparrowPasserellidae82025+91%2002
Lincoln's SparrowPasserellidae72025+86%1999
Ruby-crowned KingletRegulidae72025+6%1995
American CrowCorvidae62025+227%1995
Green-tailed TowheePasserellidae62025-25%1995
Mountain BluebirdTurdidae62025-20%1994
Canada GooseAnatidae62014n/an/a
American GoldfinchFringillidae52025+75%1994
Black-capped ChickadeeParidae51998+350%1992
Wilson's SnipeScolopacidae52019+33%1996
Lazuli BuntingCardinalidae52025+60%2014
Bald EagleAccipitridae52024+75%2012
Red-winged BlackbirdIcteridae42025+91%1995
Western MeadowlarkIcteridae42025-71%1994
Western TanagerCardinalidae42025+20%1997
Tree SwallowHirundinidae42025+7%1994
Lark BuntingPasserellidae42017+67%2002
Violet-green SwallowHirundinidae42025-55%2003
Olive-sided FlycatcherTyrannidae42025+150%2011
Lesser ScaupAnatidae42017+25%2007
Chipping SparrowPasserellidae32025-13%1996
Yellow WarblerParulidae32025-44%1994
Hermit ThrushTurdidae32025-65%1994
Turkey VultureCathartidae32025-29%1995
Clark's NutcrackerCorvidae32025+250%1998
Savannah SparrowPasserellidae32025+80%2000

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