BirdAnalyst
BBS Route · New Mexico · BCR 16

Fence Lake Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 91 species recorded across 43 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 →
43Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1975–2024Span
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 LarkAlaudidae452024-41%1978
Pinyon JayCorvidae302024-47%1978
Vesper SparrowPasserellidae282024-12%1978
Ash-throated FlycatcherTyrannidae232024+81%1978
Common RavenCorvidae202024+5%1978
Cassin's KingbirdTyrannidae182024-32%1978
Northern MockingbirdMimidae172024-36%1978
Western Wood-PeweeTyrannidae132024-33%1978
Lark SparrowPasserellidae122024+320%1981
House FinchFringillidae112023+11%1978
Green-tailed TowheePasserellidae102024-74%1978
Plumbeous VireoVireonidae102024+70%1978
Lesser GoldfinchFringillidae102021+186%1989
House SparrowPasseridae101979n/an/a
Bewick's WrenTroglodytidae92024-75%1978
MallardAnatidae81991n/an/a
Mourning DoveColumbidae72024-81%1978
Juniper TitmouseParidae72024+160%1978
Red CrossbillFringillidae72021+27%2002
Chihuahuan MeadowlarkIcteridae62024-32%1978
Chipping SparrowPasserellidae62024-16%1978
American RobinTurdidae52024-12%1978
Turkey VultureCathartidae52019+100%2004
American KestrelFalconidae42024+60%1979
Gray FlycatcherTyrannidae42024+36%1978
Woodhouse's Scrub-JayCorvidae42021+17%1978
Brown-headed CowbirdIcteridae42024-11%1978
White-breasted NuthatchSittidae42024+27%1980
Black-headed GrosbeakCardinalidae42024+40%1987
Spotted TowheePasserellidae32024+167%1980
Purple MartinHirundinidae32024+10%1978
Violet-green SwallowHirundinidae32024-70%1978
Western TanagerCardinalidae32024-14%1991
Say's PhoebeTyrannidae22024+86%1979
Bendire's ThrasherMimidae21981-14%1978
Mountain ChickadeeParidae22024-63%1978
Mountain BluebirdTurdidae22024-40%1979
Brewer's SparrowPasserellidae22015-44%1980
Pygmy NuthatchSittidae22017+0%1978
Northern House WrenTroglodytidae22010+50%1991

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