BirdAnalyst
BBS Route · New Mexico · BCR 18

Cooley Lake Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 100 species recorded across 47 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 →
47Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1968–2025Span
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 SparrowPasserellidae852025+201%1972
Chihuahuan MeadowlarkIcteridae492025-18%1973
Mourning DoveColumbidae472025+43%1972
Western MeadowlarkIcteridae352025-33%1972
Scaled QuailOdontophoridae312025+185%1972
Common GrackleIcteridae292025+161%1980
Northern MockingbirdMimidae282025-44%1972
Cliff SwallowHirundinidae262025-14%1980
House SparrowPasseridae222025-46%1972
Western KingbirdTyrannidae212025-60%1974
Barn SwallowHirundinidae192025+159%1972
European StarlingSturnidae162025-34%1972
Horned LarkAlaudidae152025-89%1973
Long-billed CurlewScolopacidae142023-6%1973
Turkey VultureCathartidae132025+550%1972
Common NighthawkCaprimulgidae132025+240%1972
Lark SparrowPasserellidae132025+161%1972
Great-tailed GrackleIcteridae13202513×1987
Red-winged BlackbirdIcteridae122025-33%1972
Northern ShovelerAnatidae122023+200%1973
House FinchFringillidae92025+89%1973
Ash-throated FlycatcherTyrannidae92025+58%1977
Eurasian Collared-DoveColumbidae72025+47%2005
Brewer's BlackbirdIcteridae61976n/an/a
Chihuahuan RavenCorvidae42025-61%1972
Common RavenCorvidae42025+60%2003
Cactus WrenTroglodytidae42019+200%2002
Yellow WarblerParulidae42025+300%1995
Brown-headed CowbirdIcteridae32025+80%1973
Bullock's OrioleIcteridae32025-17%1972
Blue GrosbeakCardinalidae32025+171%1972
Swainson's HawkAccipitridae32025-29%1979
Ladder-backed WoodpeckerPicidae32022+67%2006
Wild TurkeyPhasianidae32021+0%2010
Green-winged TealAnatidae32023n/an/a
KilldeerCharadriidae22025+29%1972
Northern BobwhiteOdontophoridae22025-29%1973
Loggerhead ShrikeLaniidae22022-85%1973
Ring-necked PheasantPhasianidae22009-29%1976
Western Wood-PeweeTyrannidae22025-20%1991

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