BirdAnalyst
BBS Route · Delaware · BCR 30

Milton 2 Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 79 species recorded across 2 survey years, still active.

79Species 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 →
2Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2017–2025Span
2Observers

Bird Species Found on Delaware Milton 2

Top 40 of 79 species by most recent count. Each links to its species trend.

Species recorded on the Milton 2 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 StarlingSturnidae2992025+137%2017
Common GrackleIcteridae2182025+46%2017
Northern CardinalCardinalidae842025+65%2017
American RobinTurdidae832025-2%2017
Red-winged BlackbirdIcteridae662025+78%2017
Mourning DoveColumbidae542025-10%2017
American CrowCorvidae482025+17%2017
Laughing GullLaridae442025n/an/a
Chipping SparrowPasserellidae362025-10%2017
Red-eyed VireoVireonidae352025-38%2017
Turkey VultureCathartidae342025-51%2017
House SparrowPasseridae342025-6%2017
Tufted TitmouseParidae292025-24%2017
Purple MartinHirundinidae272025-54%2017
Northern MockingbirdMimidae262025+8%2017
Brown-headed CowbirdIcteridae252025+39%2017
Blue GrosbeakCardinalidae242025-25%2017
Carolina WrenTroglodytidae232025-47%2017
Indigo BuntingCardinalidae212025-40%2017
Chimney SwiftApodidae202025+150%2017
House FinchFringillidae192025+533%2017
Common YellowthroatParulidae192025+19%2017
Carolina ChickadeeParidae172025+183%2017
Horned LarkAlaudidae162025+0%2017
Red-bellied WoodpeckerPicidae152025-32%2017
Song SparrowPasserellidae142025-22%2017
Fish CrowCorvidae132025+18%2017
Eastern Wood-PeweeTyrannidae112025-21%2017
Acadian FlycatcherTyrannidae102025-9%2017
Barn SwallowHirundinidae102025-47%2017
Tree SwallowHirundinidae102025+400%2017
Great Crested FlycatcherTyrannidae82025-50%2017
Yellow-billed CuckooCuculidae72025-36%2017
American GoldfinchFringillidae72025-42%2017
OvenbirdParulidae72025-36%2017
Marsh WrenTroglodytidae72025+250%2017
Orchard OrioleIcteridae62017n/an/a
Grasshopper SparrowPasserellidae62025+100%2017
Pine WarblerParulidae62025-33%2017
Blue-gray GnatcatcherPolioptilidae62025+20%2017

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