BBS Route · Delaware · BCR 30
Mt Pleasant Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 107 species recorded across 53 survey years, still active.
107Species Recorded
53Years Surveyed
1966–2019Span
5Observers
Bird Species Found on Delaware Mt Pleasant
Top 40 of 107 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Glossy Ibis | Threskiornithidae | 76 | 2016 | 13× | 1988 | |
| American Robin | Turdidae | 71 | 2019 | +183% | 1968 | |
| Red-winged Blackbird | Icteridae | 50 | 2019 | -2% | 1968 | |
| Common Grackle | Icteridae | 39 | 2019 | -79% | 1968 | |
| Northern Cardinal | Cardinalidae | 38 | 2019 | +79% | 1968 | |
| European Starling | Sturnidae | 35 | 2019 | -26% | 1968 | |
| Chipping Sparrow | Passerellidae | 27 | 2019 | +61% | 1968 | |
| American Crow | Corvidae | 26 | 2019 | +5% | 1968 | |
| Canada Goose | Anatidae | 25 | 2019 | +267% | 1970 | |
| Fish Crow | Corvidae | 24 | 2019 | +486% | 1972 | |
| Herring Gull | Laridae | 22 | 1990 | +450% | 1988 | |
| Rock Pigeon | Columbidae | 18 | 2019 | -27% | 1968 | |
| Mourning Dove | Columbidae | 17 | 2019 | +31% | 1968 | |
| Barn Swallow | Hirundinidae | 15 | 2019 | +48% | 1968 | |
| House Sparrow | Passeridae | 14 | 2019 | -84% | 1968 | |
| Northern Mockingbird | Mimidae | 12 | 2019 | -50% | 1968 | |
| Bank Swallow | Hirundinidae | 12 | 2015 | -42% | 1991 | |
| Carolina Chickadee | Paridae | 11 | 2019 | +450% | 1969 | |
| Eastern Wood-Pewee | Tyrannidae | 10 | 2019 | +4% | 1968 | |
| Indigo Bunting | Cardinalidae | 10 | 2019 | -10% | 1968 | |
| Downy Woodpecker | Picidae | 10 | 2019 | +117% | 1970 | |
| Mallard | Anatidae | 10 | 2019 | +320% | 1974 | |
| Song Sparrow | Passerellidae | 9 | 2019 | +93% | 1968 | |
| Red-eyed Vireo | Vireonidae | 9 | 2019 | -30% | 1968 | |
| Gray Catbird | Mimidae | 9 | 2019 | +100% | 1968 | |
| Eastern Bluebird | Turdidae | 9 | 2019 | +350% | 1974 | |
| Red-bellied Woodpecker | Picidae | 7 | 2019 | -25% | 1968 | |
| American Goldfinch | Fringillidae | 7 | 2019 | -10% | 1968 | |
| Grasshopper Sparrow | Passerellidae | 7 | 2019 | -16% | 1968 | |
| Wood Thrush | Turdidae | 7 | 2019 | -20% | 1968 | |
| Carolina Wren | Troglodytidae | 6 | 2019 | +386% | 1968 | |
| Horned Lark | Alaudidae | 5 | 2019 | -4% | 1968 | |
| Great Blue Heron | Ardeidae | 5 | 2019 | +200% | 1971 | |
| House Finch | Fringillidae | 5 | 2019 | +600% | 1984 | |
| Chimney Swift | Apodidae | 4 | 2019 | -76% | 1968 | |
| Great Crested Flycatcher | Tyrannidae | 4 | 2019 | -48% | 1968 | |
| Northern House Wren | Troglodytidae | 4 | 2019 | +175% | 1971 | |
| Tufted Titmouse | Paridae | 4 | 2019 | -38% | 1968 | |
| Tree Swallow | Hirundinidae | 4 | 2019 | +867% | 1979 | |
| Cedar Waxwing | Bombycillidae | 4 | 2019 | -32% | 1983 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.