BBS Route · Delaware · BCR 30
Georgetown Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 112 species recorded across 30 survey years, still active.
112Species Recorded
30Years Surveyed
1992–2022Span
3Observers
Bird Species Found on Delaware Georgetown
Top 40 of 112 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Laughing Gull | Laridae | 125 | 2022 | +350% | 1994 | |
| European Starling | Sturnidae | 97 | 2022 | +221% | 1994 | |
| Purple Martin | Hirundinidae | 46 | 2022 | +77% | 1994 | |
| American Crow | Corvidae | 37 | 2022 | +28% | 1994 | |
| American Robin | Turdidae | 37 | 2022 | -14% | 1994 | |
| Carolina Wren | Troglodytidae | 33 | 2022 | -13% | 1994 | |
| Common Grackle | Icteridae | 29 | 2022 | -80% | 1994 | |
| Northern Cardinal | Cardinalidae | 29 | 2022 | +5% | 1994 | |
| Northern Mockingbird | Mimidae | 27 | 2022 | +35% | 1994 | |
| Chipping Sparrow | Passerellidae | 26 | 2022 | -31% | 1994 | |
| Blue Grosbeak | Cardinalidae | 25 | 2022 | -14% | 1994 | |
| Turkey Vulture | Cathartidae | 22 | 2022 | +80% | 1994 | |
| American Goldfinch | Fringillidae | 21 | 2022 | +55% | 1994 | |
| Indigo Bunting | Cardinalidae | 19 | 2022 | -46% | 1994 | |
| Tufted Titmouse | Paridae | 19 | 2022 | -4% | 1994 | |
| Tree Swallow | Hirundinidae | 18 | 2022 | +192% | 1997 | |
| Eastern Bluebird | Turdidae | 15 | 2022 | +83% | 1994 | |
| Red-winged Blackbird | Icteridae | 13 | 2022 | -49% | 1994 | |
| House Finch | Fringillidae | 12 | 2022 | -75% | 1994 | |
| Rock Pigeon | Columbidae | 11 | 2021 | -30% | 1994 | |
| Blue Jay | Corvidae | 11 | 2022 | +29% | 1994 | |
| Barn Swallow | Hirundinidae | 11 | 2022 | +657% | 1994 | |
| Red-eyed Vireo | Vireonidae | 11 | 2022 | -43% | 1994 | |
| Carolina Chickadee | Paridae | 11 | 2022 | +76% | 1995 | |
| Glossy Ibis | Threskiornithidae | 10 | 2022 | +400% | 2003 | |
| House Sparrow | Passeridae | 9 | 2021 | -87% | 1994 | |
| Mourning Dove | Columbidae | 8 | 2022 | +32% | 1994 | |
| Fish Crow | Corvidae | 7 | 2022 | +91% | 1994 | |
| Brown-headed Cowbird | Icteridae | 6 | 2022 | -64% | 1994 | |
| Pine Warbler | Parulidae | 6 | 2022 | -55% | 1994 | |
| Ovenbird | Parulidae | 6 | 2022 | -72% | 1994 | |
| Common Yellowthroat | Parulidae | 5 | 2022 | -48% | 1994 | |
| Yellow-billed Cuckoo | Cuculidae | 4 | 2022 | -35% | 1994 | |
| Chimney Swift | Apodidae | 4 | 2018 | +125% | 1994 | |
| Boat-tailed Grackle | Icteridae | 4 | 2021 | +20% | 2015 | |
| Green Heron | Ardeidae | 4 | 2021 | +133% | 2001 | |
| Eastern Kingbird | Tyrannidae | 3 | 2022 | -29% | 1994 | |
| Great Crested Flycatcher | Tyrannidae | 3 | 2022 | +88% | 1994 | |
| Horned Lark | Alaudidae | 3 | 2022 | -28% | 1994 | |
| Song Sparrow | Passerellidae | 3 | 2022 | -62% | 1994 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.