BBS Route · Ohio · BCR 22

Casstown Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 82 species recorded across 17 survey years, still active.

Bird Species Found on Ohio Casstown

Top 40 of 82 species by most recent count. Each links to its species trend.

Species recorded on the Casstown 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 StarlingSturnidae1722025+75%2002
Red-winged BlackbirdIcteridae672025-39%2002
American RobinTurdidae672025-45%2002
Mourning DoveColumbidae412025-37%2002
Song SparrowPasserellidae362025-32%2002
Chipping SparrowPasserellidae322025+80%2003
KilldeerCharadriidae282025+21%2002
Horned LarkAlaudidae212025-44%2002
Common GrackleIcteridae182025-78%2002
Northern CardinalCardinalidae182025-34%2002
House SparrowPasseridae182025-67%2002
Northern House WrenTroglodytidae152025+7%2002
American GoldfinchFringillidae142025-71%2002
Turkey VultureCathartidae132025+20%2002
Brown-headed CowbirdIcteridae132025+55%2002
Indigo BuntingCardinalidae132025-2%2002
Carolina WrenTroglodytidae92025+57%2003
Field SparrowPasserellidae82025-5%2002
Gray CatbirdMimidae82025+78%2002
Blue JayCorvidae72025-39%2002
American CrowCorvidae62025-64%2002
Barn SwallowHirundinidae62025-61%2002
Common YellowthroatParulidae62025-20%2002
Ring-necked PheasantPhasianidae62015+13%2007
Cedar WaxwingBombycillidae52023+136%2002
Rock PigeonColumbidae52024-30%2010
Eastern KingbirdTyrannidae52023+200%2007
Eurasian Collared-DoveColumbidae52015n/an/a
Red-bellied WoodpeckerPicidae42025+43%2002
Chimney SwiftApodidae42025-65%2002
House FinchFringillidae42025-69%2002
BobolinkIcteridae42002n/an/a
Great Blue HeronArdeidae32025+100%2002
Baltimore OrioleIcteridae32025+33%2002
Northern MockingbirdMimidae32025-68%2002
Eastern BluebirdTurdidae32025+18%2002
Red-tailed HawkAccipitridae32025-50%2010
MallardAnatidae22017-64%2007
Great Crested FlycatcherTyrannidae22025+25%2002
Vesper SparrowPasserellidae22001+100%2000

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