BirdAnalyst
BBS Route · Washington · BCR 5

Mukilteo Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 101 species recorded across 30 survey years, still active.

101Species 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 →
30Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1993–2025Span
5Observers

Bird Species Found on Washington Mukilteo

Top 40 of 101 species by most recent count. Each links to its species trend.

Species recorded on the Mukilteo 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
European StarlingSturnidae1172025-53%1995
American RobinTurdidae972025+41%1995
Song SparrowPasserellidae582025+19%1995
American CrowCorvidae432025-11%1995
Red CrossbillFringillidae35201535×1994
Swainson's ThrushTurdidae302025+14%1995
House FinchFringillidae282025+38%1995
Black-headed GrosbeakCardinalidae262025+68%1995
Spotted TowheePasserellidae222025-24%1995
White-crowned SparrowPasserellidae192025+633%1995
Glaucous-winged GullLaridae172025-34%1995
House SparrowPasseridae172025-69%1995
American GoldfinchFringillidae162025+45%1995
Wood DuckAnatidae152025+243%1996
Band-tailed PigeonColumbidae152025+55%1995
Bewick's WrenTroglodytidae142025+77%1995
Black-capped ChickadeeParidae142025-47%1995
Violet-green SwallowHirundinidae132025-17%1995
Willow FlycatcherTyrannidae122025-41%1995
Red-winged BlackbirdIcteridae122025-42%1995
Eurasian Collared-DoveColumbidae122025+329%2015
Pine SiskinFringillidae112025-23%2010
Western Wood-PeweeTyrannidae82025+9%1995
Brown-headed CowbirdIcteridae82025-42%1995
Warbling VireoVireonidae82025+217%1995
Chestnut-backed ChickadeeParidae72024+6%1995
Rock PigeonColumbidae52025-66%1995
Cedar WaxwingBombycillidae52025-50%1995
Marsh WrenTroglodytidae52025+18%1996
MallardAnatidae42025-81%1995
Canada GooseAnatidae42024-24%1999
Steller's JayCorvidae42025+24%1995
Savannah SparrowPasserellidae42025-42%1995
Cliff SwallowHirundinidae42025-85%1995
Barn SwallowHirundinidae42025-67%1995
Common YellowthroatParulidae42025-20%1995
Mourning DoveColumbidae42025+150%1999
Common RavenCorvidae42025+233%2010
Vaux's SwiftApodidae42025+30%2005
Anna's HummingbirdTrochilidae42025+0%2016

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