BirdAnalyst
BBS Route · Washington · BCR 5

Mendota 3 Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 100 species recorded across 18 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 →
18Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2005–2024Span
1Observers

Bird Species Found on Washington Mendota 3

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

Species recorded on the Mendota 3 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
American RobinTurdidae572024-11%2007
Swainson's ThrushTurdidae542024-4%2007
Willow FlycatcherTyrannidae462024-21%2007
Song SparrowPasserellidae462024-1%2007
Spotted TowheePasserellidae372024-13%2007
Black-headed GrosbeakCardinalidae322024-16%2007
Western TanagerCardinalidae312024+203%2007
Warbling VireoVireonidae242024-12%2007
Red-winged BlackbirdIcteridae222024+48%2007
Common YellowthroatParulidae202024-20%2007
Wilson's WarblerParulidae202024+20%2007
Violet-green SwallowHirundinidae182024-36%2007
Bewick's WrenTroglodytidae152024+169%2007
Cliff SwallowHirundinidae142024+0%2007
Cedar WaxwingBombycillidae132024-46%2007
European StarlingSturnidae122024-50%2007
Western Wood-PeweeTyrannidae112024+300%2007
Common RavenCorvidae102024+250%2007
Brown-headed CowbirdIcteridae102024-7%2007
Marsh WrenTroglodytidae102024-25%2007
Chestnut-backed ChickadeeParidae92024-38%2007
Steller's JayCorvidae82024-55%2007
Purple FinchFringillidae82024-43%2007
Barn SwallowHirundinidae82024+25%2007
Canada GooseAnatidae72015+57%2009
White-crowned SparrowPasserellidae72024-68%2007
Tree SwallowHirundinidae72024+150%2007
Yellow WarblerParulidae72024+100%2008
Pacific WrenTroglodytidae72024-57%2007
Golden-crowned KingletRegulidae72024-63%2007
Rock PigeonColumbidae62024-47%2014
Mourning DoveColumbidae62024+6%2007
Rufous HummingbirdTrochilidae62024-6%2007
Red-breasted SapsuckerPicidae52024-12%2007
California Scrub-JayCorvidae52024-14%2007
American CrowCorvidae52024-62%2007
Orange-crowned WarblerParulidae52024-29%2007
Eurasian Collared-DoveColumbidae52024-37%2015
Band-tailed PigeonColumbidae42024+180%2007
American GoldfinchFringillidae42024-81%2007

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