BirdAnalyst
BBS Route · Colorado · BCR 18

Limon Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 63 species recorded across 26 survey years, still active.

63Species 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 →
26Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1992–2025Span
3Observers

Bird Species Found on Colorado Limon

Top 40 of 63 species by most recent count. Each links to its species trend.

Species recorded on the Limon 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
Lark BuntingPasserellidae2672025+8%1999
Horned LarkAlaudidae1322025+13%1999
Western MeadowlarkIcteridae1242025+35%1999
Mourning DoveColumbidae822025+51%1999
Red-winged BlackbirdIcteridae412025+3%1999
Common GrackleIcteridae242025+191%1999
House SparrowPasseridae152025-38%1999
Western KingbirdTyrannidae142025+88%1999
Brown-headed CowbirdIcteridae72025+150%1999
American GoldfinchFringillidae72003+600%1992
Common NighthawkCaprimulgidae72018+300%2015
American RobinTurdidae62025+157%2001
Grasshopper SparrowPasserellidae52025+0%2000
Great-tailed GrackleIcteridae52022+300%2016
Lark SparrowPasserellidae42024+470%2000
European StarlingSturnidae42025+200%2000
Northern PintailAnatidae42016-44%2007
Swainson's HawkAccipitridae32024+50%1999
Red-tailed HawkAccipitridae32025+20%2012
Rock PigeonColumbidae32024+60%2019
Yellow-headed BlackbirdIcteridae32023+50%2016
Chestnut-collared LongspurCalcariidae32025-59%2019
White-winged DoveColumbidae32021+200%2019
DickcisselCardinalidae32024n/an/a
KilldeerCharadriidae22025-50%1999
Barn SwallowHirundinidae22025-75%1999
Brewer's SparrowPasserellidae22011+60%2001
Northern MockingbirdMimidae22025-14%2000
Ring-necked PheasantPhasianidae22013+33%2001
American AvocetRecurvirostridae22016+0%2003
Eastern KingbirdTyrannidae22024-33%2016
Cassin's SparrowPasserellidae22025+0%2016
Ash-throated FlycatcherTyrannidae22025+100%2009
Common RavenCorvidae22015n/an/a
GadwallAnatidae22016n/an/a
Northern ShovelerAnatidae22016n/an/a
Mountain PloverCharadriidae22024+200%2017
Blue JayCorvidae22019n/an/a
MallardAnatidae12025-71%1999
Prairie FalconFalconidae12021+0%1992

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