BirdAnalyst
BBS Route · Massachusetts · BCR 30

N. Andover 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 →
1995–2025Span
4Observers

Bird Species Found on Massachusetts N. Andover

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

Species recorded on the N. Andover 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
Red-winged BlackbirdIcteridae662025+74%1998
Tufted TitmouseParidae252025-11%1998
European StarlingSturnidae232025-56%1998
Northern CardinalCardinalidae222025+85%1998
American RobinTurdidae202025-51%1998
American CrowCorvidae172025-57%1998
Song SparrowPasserellidae152025-20%1998
Gray CatbirdMimidae152025-67%1998
House FinchFringillidae142025-33%1998
Chipping SparrowPasserellidae142025-41%1998
American GoldfinchFringillidae132025-55%1998
Mourning DoveColumbidae122025-65%1998
Pine WarblerParulidae112025-3%1998
Common GrackleIcteridae102025-49%1998
OvenbirdParulidae102025-48%1998
Black-capped ChickadeeParidae102025-79%1998
Common YellowthroatParulidae92025-56%1998
White-breasted NuthatchSittidae92025+0%1998
Tree SwallowHirundinidae82025+583%1998
Warbling VireoVireonidae82025+56%1998
Northern House WrenTroglodytidae82025+233%1999
Red-bellied WoodpeckerPicidae82025+286%2003
Eastern Wood-PeweeTyrannidae72025-3%1998
House SparrowPasseridae72025-46%1998
Blue JayCorvidae52025-65%1998
Brown-headed CowbirdIcteridae52025-80%1998
VeeryTurdidae52024-71%1998
Carolina WrenTroglodytidae52025+700%2007
Downy WoodpeckerPicidae42025-36%1998
Great Crested FlycatcherTyrannidae42025-41%1998
Swamp SparrowPasserellidae42025+113%1998
Yellow WarblerParulidae42025-52%1998
Great EgretArdeidae42025+25%2021
Wild TurkeyPhasianidae32024+75%2000
Chimney SwiftApodidae32025-89%1998
Baltimore OrioleIcteridae32025-79%1998
Purple FinchFringillidae31995n/an/a
Red-eyed VireoVireonidae32025-62%1998
Chestnut-sided WarblerParulidae32004-17%1997
Turkey VultureCathartidae32024+200%2018

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