BirdAnalyst
BBS Route · Utah · BCR 16

Castle Dale Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 77 species recorded across 23 survey years, still active.

77Species 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 →
23Years 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
4Observers

Bird Species Found on Utah Castle Dale

Top 40 of 77 species by most recent count. Each links to its species trend.

Species recorded on the Castle Dale 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 StarlingSturnidae60200730×1996
Horned LarkAlaudidae332025-26%1998
Common RavenCorvidae122025+131%1998
Western MeadowlarkIcteridae102025-64%1998
Song SparrowPasserellidae102015+140%1998
Mountain BluebirdTurdidae82015+43%2005
Northern MockingbirdMimidae72024-14%2004
Woodhouse's Scrub-JayCorvidae72017+75%2015
Lark SparrowPasserellidae52025-40%1998
Mourning DoveColumbidae42025-69%1998
Rock WrenTroglodytidae42025-52%1998
Blue-gray GnatcatcherPolioptilidae42023+33%2004
Western KingbirdTyrannidae32024-82%1998
Pinyon JayCorvidae32025-23%2001
California QuailOdontophoridae32001+50%1996
Broad-tailed HummingbirdTrochilidae32015+100%1998
Chipping SparrowPasserellidae32025-25%2008
Lazuli BuntingCardinalidae32014+200%2001
Ring-necked PheasantPhasianidae22025-36%1998
Red-winged BlackbirdIcteridae22025-82%1998
Cliff SwallowHirundinidae22016+20%2010
Loggerhead ShrikeLaniidae22021-56%2004
American RobinTurdidae22025-50%1998
Say's PhoebeTyrannidae22025+14%2004
House FinchFringillidae22025-43%2001
Red-tailed HawkAccipitridae22023-20%2008
Savannah SparrowPasserellidae22014+75%2006
Common YellowthroatParulidae22018-17%2010
Gray FlycatcherTyrannidae22011+100%2010
Yellow WarblerParulidae22025+0%2017
RedheadAnatidae22015n/an/a
Sandhill CraneGruidae22019+0%2018
Black-headed GrosbeakCardinalidae22024n/an/a
Northern PintailAnatidae11993n/an/a
Great Blue HeronArdeidae12015+0%1993
Wilson's SnipeScolopacidae12025+0%2008
KilldeerCharadriidae12025+14%1998
ChukarPhasianidae12019+0%1993
Northern HarrierAccipitridae11993n/an/a
Common GrackleIcteridae11993n/an/a

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