BirdAnalyst
BBS Route · Colorado · BCR 16

Mcphee Res. Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 102 species recorded across 29 survey years, still active.

102Species 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 →
29Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1996–2025Span
1Observers

Bird Species Found on Colorado Mcphee Res.

Top 40 of 102 species by most recent count. Each links to its species trend.

Species recorded on the Mcphee Res. 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 RobinTurdidae752025+39%1998
Red CrossbillFringillidae482024-13%2000
Warbling VireoVireonidae462025+39%1998
Dusky FlycatcherTyrannidae432025+29%1998
Vesper SparrowPasserellidae432025-12%1998
Green-tailed TowheePasserellidae422025-15%1998
Hermit ThrushTurdidae372025+6%1998
Chipping SparrowPasserellidae362025+17%1998
MallardAnatidae352025+255%1998
Western TanagerCardinalidae332025+98%1998
Western MeadowlarkIcteridae312025-57%1998
American CrowCorvidae302025-37%1998
Grace's WarblerParulidae282025+103%1999
Black-headed GrosbeakCardinalidae202025+38%1998
Violet-green SwallowHirundinidae192025+277%1999
Mourning DoveColumbidae162025+84%1998
Spotted TowheePasserellidae152025+173%1998
Ruddy DuckAnatidae152024+108%1999
Red-winged BlackbirdIcteridae142025+617%1998
Cinnamon TealAnatidae122025+100%1999
Black-billed MagpieCorvidae122025-29%1998
Lesser ScaupAnatidae122012+200%2005
Western Wood-PeweeTyrannidae112025+43%1998
White-faced IbisThreskiornithidae102016-41%2012
Northern House WrenTroglodytidae92025-20%1998
American CootRallidae92025-21%1999
Tree SwallowHirundinidae92018+12%2001
MacGillivray's WarblerParulidae92025+400%2001
Orange-crowned WarblerParulidae82025+79%1998
Yellow-headed BlackbirdIcteridae72024+31%1999
Brewer's BlackbirdIcteridae62025-15%1998
Northern ShovelerAnatidae62019+233%2007
Common RavenCorvidae52025-55%1998
Brown-headed CowbirdIcteridae52025-62%1998
Eared GrebePodicipedidae52019-54%1999
RedheadAnatidae52019-39%2006
American AvocetRecurvirostridae52025n/an/a
Lewis's WoodpeckerPicidae42025-46%1998
Pine SiskinFringillidae42025-71%1998
Plumbeous VireoVireonidae32025-31%1998

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