BBS Route · Alabama · BCR 24

Courtland Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 97 species recorded across 20 survey years, still active.

Bird Species Found on Alabama Courtland

Top 40 of 97 species by most recent count. Each links to its species trend.

Species recorded on the Courtland 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
Indigo BuntingCardinalidae522023-28%1999
Mourning DoveColumbidae382023-25%1999
Carolina WrenTroglodytidae332023+106%1999
Northern MockingbirdMimidae322023-25%1999
Northern CardinalCardinalidae262023-51%1999
American CrowCorvidae232023-53%1999
White-eyed VireoVireonidae232023+132%1999
European StarlingSturnidae212023-58%1999
Barn SwallowHirundinidae172023-39%1999
Turkey VultureCathartidae172023+73%2000
Red-eyed VireoVireonidae162023+55%1999
Chipping SparrowPasserellidae152023+4%1999
Blue GrosbeakCardinalidae122023+8%2000
Summer TanagerCardinalidae122023+115%1999
Cliff SwallowHirundinidae122023+229%2016
Eastern Wood-PeweeTyrannidae112023+3%1999
Yellow-breasted ChatIcteriidae112023-66%1999
Eastern TowheePasserellidae102023-25%1999
American RobinTurdidae102023-71%1999
Red-bellied WoodpeckerPicidae92023-15%1999
Eastern BluebirdTurdidae82023-79%1999
Eastern MeadowlarkIcteridae72023-79%1999
Common GrackleIcteridae72023-75%1999
Tufted TitmouseParidae72023-43%1999
Yellow-billed CuckooCuculidae62023-35%1999
Kentucky WarblerParulidae62023-35%2001
Western Cattle-EgretArdeidae62023+122%2014
Blue JayCorvidae52023-74%1999
Brown-headed CowbirdIcteridae52023-53%1999
Grasshopper SparrowPasserellidae52006+40%2001
Brown ThrasherMimidae52023-44%1999
Wood ThrushTurdidae52023-50%1999
Eastern KingbirdTyrannidae42023-9%1999
Field SparrowPasserellidae42023-33%1999
Pine WarblerParulidae42023+0%1999
Common YellowthroatParulidae42023-50%1999
House SparrowPasseridae42023-86%1999
Wild TurkeyPhasianidae42021+150%2005
Great Blue HeronArdeidae32021+17%1999
Chuck-will's-widowCaprimulgidae32023-54%1999

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