BirdAnalyst
BBS Route · Washington · BCR 5

Mendota 3 Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 100 species recorded across 19 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 →
19Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2005–2025Span
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
Swainson's ThrushTurdidae832025-1%2007
American RobinTurdidae782025-18%2007
Willow FlycatcherTyrannidae482025-23%2007
Song SparrowPasserellidae422025-14%2007
Western TanagerCardinalidae422025+249%2007
Black-headed GrosbeakCardinalidae332025-21%2007
Spotted TowheePasserellidae282025-13%2007
European StarlingSturnidae262025-65%2007
Warbling VireoVireonidae252025+2%2007
Red-winged BlackbirdIcteridae172025+24%2007
Black-capped ChickadeeParidae172025+47%2007
Red CrossbillFringillidae162025+783%2010
Common YellowthroatParulidae142025-31%2007
Western Wood-PeweeTyrannidae122025+263%2007
Steller's JayCorvidae122025-45%2007
Brown-headed CowbirdIcteridae122025-20%2007
Purple FinchFringillidae122025-50%2007
Tree SwallowHirundinidae122025+150%2007
Violet-green SwallowHirundinidae122025-41%2007
Wilson's WarblerParulidae122025+13%2007
California Scrub-JayCorvidae112025+19%2007
Cedar WaxwingBombycillidae112025-64%2007
Bewick's WrenTroglodytidae112025+169%2007
Red-breasted NuthatchSittidae112025+50%2007
Chestnut-backed ChickadeeParidae102025-46%2007
Cliff SwallowHirundinidae92025+16%2007
Yellow WarblerParulidae92025+100%2008
Canada GooseAnatidae72015+57%2009
American GoldfinchFringillidae72025-82%2007
Barn SwallowHirundinidae72025+30%2007
Eurasian Collared-DoveColumbidae72025-26%2015
Rock PigeonColumbidae62024-47%2014
Common RavenCorvidae62025+267%2007
American CrowCorvidae62025-73%2007
Pacific WrenTroglodytidae62025-47%2007
Band-tailed PigeonColumbidae52025+120%2007
Mourning DoveColumbidae52025-6%2007
Red-breasted SapsuckerPicidae52025-6%2007
Purple MartinHirundinidae52025+29%2007
Marsh WrenTroglodytidae52025-33%2007

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