BirdAnalyst
BBS Route · Utah · BCR 16

Castle Dale Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 74 species recorded across 22 survey years, still active.

74Species 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 →
22Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1993–2024Span
4Observers

Bird Species Found on Utah Castle Dale

Top 40 of 74 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 LarkAlaudidae412024-6%1998
Western MeadowlarkIcteridae202024-57%1998
Song SparrowPasserellidae102015+140%1998
Rock WrenTroglodytidae92024-29%1998
Mountain BluebirdTurdidae82015+43%2005
Northern MockingbirdMimidae72024-14%2004
Woodhouse's Scrub-JayCorvidae72017+75%2015
Common RavenCorvidae62024+146%1998
Lark SparrowPasserellidae62024-13%1998
Pinyon JayCorvidae52024+115%2001
KilldeerCharadriidae42023+14%1998
Ring-necked PheasantPhasianidae42024-29%1998
Brewer's SparrowPasserellidae42023-33%1998
Blue-gray GnatcatcherPolioptilidae42023+33%2004
Mourning DoveColumbidae32024-81%1998
Western KingbirdTyrannidae32024-82%1998
California QuailOdontophoridae32001+50%1996
Broad-tailed HummingbirdTrochilidae32015+100%1998
Lazuli BuntingCardinalidae32014+200%2001
Cliff SwallowHirundinidae22016+20%2010
Loggerhead ShrikeLaniidae22021-56%2004
Red-tailed HawkAccipitridae22023-20%2008
Savannah SparrowPasserellidae22014+75%2006
Common YellowthroatParulidae22018-17%2010
Gray FlycatcherTyrannidae22011+100%2010
RedheadAnatidae22015n/an/a
Sandhill CraneGruidae22019+0%2018
Black-headed GrosbeakCardinalidae22024n/an/a
Northern PintailAnatidae11993n/an/a
Great Blue HeronArdeidae12015+0%1993
Wilson's SnipeScolopacidae12018+33%2008
ChukarPhasianidae12019+0%1993
Northern HarrierAccipitridae11993n/an/a
Red-winged BlackbirdIcteridae12024-72%1998
Common GrackleIcteridae11993n/an/a
Sagebrush SparrowPasserellidae12016-33%1996
Western TanagerCardinalidae12018+0%1993
American RobinTurdidae12019-50%1998
American CootRallidae12011+80%2004

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.