BBS Route · South Carolina · BCR 27
Johns Isle Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 90 species recorded across 14 survey years, no longer active.
90Species Recorded
14Years Surveyed
1966–1979Span
1Observers
Bird Species Found on South Carolina Johns Isle
Top 40 of 90 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Common Grackle | Icteridae | 253 | 1979 | +29% | 1968 | |
| Northern Bobwhite | Odontophoridae | 52 | 1979 | -28% | 1968 | |
| Red-winged Blackbird | Icteridae | 45 | 1979 | -74% | 1968 | |
| Boat-tailed Grackle | Icteridae | 41 | 1979 | +42% | 1968 | |
| Carolina Wren | Troglodytidae | 33 | 1979 | -50% | 1968 | |
| Northern Mockingbird | Mimidae | 31 | 1979 | -58% | 1968 | |
| Northern Cardinal | Cardinalidae | 25 | 1979 | -81% | 1968 | |
| Laughing Gull | Laridae | 18 | 1979 | +691% | 1969 | |
| Great Egret | Ardeidae | 16 | 1979 | +57% | 1968 | |
| Mourning Dove | Columbidae | 16 | 1979 | -32% | 1968 | |
| Blue Jay | Corvidae | 16 | 1979 | -71% | 1968 | |
| European Starling | Sturnidae | 15 | 1979 | -14% | 1968 | |
| Wood Stork | Ciconiidae | 15 | 1976 | +25% | 1974 | |
| Red-bellied Woodpecker | Picidae | 11 | 1979 | -21% | 1968 | |
| American Crow | Corvidae | 11 | 1979 | -77% | 1968 | |
| Purple Martin | Hirundinidae | 9 | 1979 | -56% | 1968 | |
| Orchard Oriole | Icteridae | 8 | 1979 | -69% | 1968 | |
| Tufted Titmouse | Paridae | 8 | 1979 | -11% | 1968 | |
| Western Cattle-Egret | Ardeidae | 7 | 1979 | +0% | 1968 | |
| Eastern Meadowlark | Icteridae | 7 | 1979 | -62% | 1968 | |
| Summer Tanager | Cardinalidae | 6 | 1979 | -57% | 1968 | |
| Loggerhead Shrike | Laniidae | 6 | 1977 | -28% | 1970 | |
| Eastern Kingbird | Tyrannidae | 5 | 1979 | -59% | 1968 | |
| Great Crested Flycatcher | Tyrannidae | 5 | 1979 | -58% | 1968 | |
| Painted Bunting | Cardinalidae | 5 | 1979 | -74% | 1968 | |
| Brown Thrasher | Mimidae | 5 | 1979 | -76% | 1968 | |
| Carolina Chickadee | Paridae | 5 | 1979 | -44% | 1968 | |
| Ring-billed Gull | Laridae | 4 | 1969 | -80% | 1966 | |
| Green Heron | Ardeidae | 4 | 1979 | -57% | 1968 | |
| Yellow-billed Cuckoo | Cuculidae | 4 | 1979 | +5% | 1968 | |
| Yellow-breasted Chat | Icteriidae | 4 | 1979 | -50% | 1968 | |
| Pine Warbler | Parulidae | 4 | 1970 | +300% | 1968 | |
| White Ibis | Threskiornithidae | 3 | 1979 | -90% | 1968 | |
| Snowy Egret | Ardeidae | 3 | 1978 | +175% | 1968 | |
| Little Blue Heron | Ardeidae | 3 | 1975 | +100% | 1968 | |
| Wood Thrush | Turdidae | 3 | 1979 | -42% | 1969 | |
| Rock Pigeon | Columbidae | 3 | 1979 | +100% | 1971 | |
| Brown Pelican | Pelecanidae | 3 | 1977 | +50% | 1973 | |
| Black Skimmer | Laridae | 3 | 1979 | +200% | 1975 | |
| Royal Tern | Laridae | 2 | 1979 | -57% | 1968 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.