BirdAnalyst
BBS Route · New Mexico · BCR 16

Fence Lake Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 91 species recorded across 44 survey years, still active.

91Species 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 →
44Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1975–2025Span
4Observers

Bird Species Found on New Mexico Fence Lake

Top 40 of 91 species by most recent count. Each links to its species trend.

Species recorded on the Fence 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
Horned LarkAlaudidae532025-49%1978
Vesper SparrowPasserellidae282025-37%1978
Mourning DoveColumbidae272025-49%1978
Common RavenCorvidae272025+12%1978
Pinyon JayCorvidae202025-34%1978
Ash-throated FlycatcherTyrannidae192025+89%1978
Cassin's KingbirdTyrannidae142025-54%1978
Northern MockingbirdMimidae102025-53%1978
Lesser GoldfinchFringillidae102021+186%1989
House SparrowPasseridae101979n/an/a
Spotted TowheePasserellidae82025+150%1980
MallardAnatidae81991n/an/a
Chihuahuan MeadowlarkIcteridae72025-59%1978
Lark SparrowPasserellidae72025+320%1981
Plumbeous VireoVireonidae62025+35%1978
Gray FlycatcherTyrannidae52025+0%1978
Juniper TitmouseParidae52025+220%1978
Mountain BluebirdTurdidae52025-45%1979
Turkey VultureCathartidae52019+100%2004
American KestrelFalconidae42024+60%1979
Western Wood-PeweeTyrannidae42025-44%1978
Chipping SparrowPasserellidae42025-56%1978
Violet-green SwallowHirundinidae42025-57%1978
Hairy WoodpeckerPicidae32025+50%1978
House FinchFringillidae32025-6%1978
Purple MartinHirundinidae32025+0%1978
Bewick's WrenTroglodytidae32025-71%1978
Mountain ChickadeeParidae32025-63%1978
American RobinTurdidae32025-41%1978
Red CrossbillFringillidae32025+0%2002
Western TanagerCardinalidae32024-14%1991
Common NighthawkCaprimulgidae22025-90%1979
Brown-headed CowbirdIcteridae22025-11%1978
Green-tailed TowheePasserellidae22025-75%1978
Bendire's ThrasherMimidae21981-14%1978
Brewer's SparrowPasserellidae22015-44%1980
Pygmy NuthatchSittidae22017+0%1978
Northern House WrenTroglodytidae22010+50%1991
BushtitAegithalidae22022+29%2003
Cliff SwallowHirundinidae22022-60%2008

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