BirdAnalyst
BBS Route · New Mexico · BCR 18

Cooley Lake Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 100 species recorded across 46 survey years, still active.

100Species 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 →
46Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1968–2024Span
8Observers

Bird Species Found on New Mexico Cooley Lake

Top 40 of 100 species by most recent count. Each links to its species trend.

Species recorded on the Cooley Lake 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
Cassin's SparrowPasserellidae1202024+190%1972
Mourning DoveColumbidae272024+66%1972
Chihuahuan MeadowlarkIcteridae252024-62%1973
Northern MockingbirdMimidae252024-56%1972
Barn SwallowHirundinidae242024+166%1972
Western KingbirdTyrannidae242024-63%1974
Scaled QuailOdontophoridae222024+111%1972
Western MeadowlarkIcteridae222024-53%1972
Common GrackleIcteridae152024+57%1980
Long-billed CurlewScolopacidae142023-6%1973
Lark SparrowPasserellidae142024+144%1972
Northern ShovelerAnatidae122023+200%1973
Eurasian Collared-DoveColumbidae122024+33%2005
Great-tailed GrackleIcteridae11202411×1987
Blue GrosbeakCardinalidae102024+229%1972
House SparrowPasseridae102024-50%1972
Red-winged BlackbirdIcteridae82024-52%1972
House FinchFringillidae62024+0%1973
Ash-throated FlycatcherTyrannidae62024+42%1977
Brewer's BlackbirdIcteridae61976n/an/a
Horned LarkAlaudidae52024-89%1973
Turkey VultureCathartidae42024+450%1972
Chihuahuan RavenCorvidae42024-65%1972
Cliff SwallowHirundinidae42024-2%1980
Cactus WrenTroglodytidae42019+200%2002
KilldeerCharadriidae32024+86%1972
Common NighthawkCaprimulgidae32024+20%1972
European StarlingSturnidae32024-20%1972
Burrowing OwlStrigidae32024+63%1974
Yellow WarblerParulidae32012+200%1995
Ladder-backed WoodpeckerPicidae32022+67%2006
Wild TurkeyPhasianidae32021+0%2010
Green-winged TealAnatidae32023n/an/a
Yellow-billed CuckooCuculidae22016+0%1988
Bullock's OrioleIcteridae22024+8%1972
Loggerhead ShrikeLaniidae22022-85%1973
Ring-necked PheasantPhasianidae22009-29%1976
Say's PhoebeTyrannidae22024-33%1987
Greater RoadrunnerCuculidae22024+100%1987
Rock PigeonColumbidae21995-29%1980

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