BirdAnalyst
BBS Route · Oregon · BCR 9

Lapham Res. Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 109 species recorded across 21 survey years, still active.

109Species 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 →
21Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1991–2025Span
3Observers

Bird Species Found on Oregon Lapham Res.

Top 40 of 109 species by most recent count. Each links to its species trend.

Species recorded on the Lapham Res. 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
Canada GooseAnatidae622025+2%1993
American RobinTurdidae502025+86%1993
Mountain ChickadeeParidae342025+555%1993
Chipping SparrowPasserellidae332025+253%1994
Western TanagerCardinalidae332025+518%1994
Common NighthawkCaprimulgidae262025+78%1994
Western Wood-PeweeTyrannidae262025+120%1993
Mourning DoveColumbidae232025+233%2001
Vesper SparrowPasserellidae202025+700%2002
Mountain BluebirdTurdidae192025+92%1994
Gray FlycatcherTyrannidae152025+975%1996
Brewer's BlackbirdIcteridae142025+71%1993
European StarlingSturnidae13200513×1991
Townsend's SolitaireTurdidae132025+113%2022
Fox SparrowPasserellidae122025+400%2002
Brown-headed CowbirdIcteridae112025+280%1996
Cliff SwallowHirundinidae112025+272%1994
Red-breasted NuthatchSittidae102025+14%1995
BuffleheadAnatidae102025+23%1995
Forster's TernLaridae102022+900%2006
WilletScolopacidae102022n/an/a
Hairy WoodpeckerPicidae92025+275%1994
Cassin's FinchFringillidae92025+680%1994
Barn SwallowHirundinidae92007+800%1993
Dusky FlycatcherTyrannidae82025+320%1998
Rock WrenTroglodytidae82025+57%1995
Red-winged BlackbirdIcteridae72025+40%1993
Williamson's SapsuckerPicidae72025+600%1995
MallardAnatidae62024+67%1996
Steller's JayCorvidae62025-57%1994
Northern House WrenTroglodytidae62025-11%1993
Brewer's SparrowPasserellidae52025+100%2022
Ring-necked DuckAnatidae52004+67%2001
Olive-sided FlycatcherTyrannidae42025+25%1994
Ring-billed GullLaridae42003+100%1996
Canada JayCorvidae42000n/an/a
Horned LarkAlaudidae42025+150%2023
American White PelicanPelecanidae32005-58%1997
Red-naped SapsuckerPicidae32004+50%1994
Pileated WoodpeckerPicidae32025+67%1993

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