BBS Route · Delaware · BCR 30
Lowes Xrds Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 120 species recorded across 18 survey years, no longer active.
120Species Recorded
18Years Surveyed
1966–1991Span
6Observers
Bird Species Found on Delaware Lowes Xrds
Top 40 of 120 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Common Grackle | Icteridae | 238 | 1991 | +15% | 1968 | |
| European Starling | Sturnidae | 112 | 1991 | +30% | 1968 | |
| American Crow | Corvidae | 53 | 1991 | -1% | 1968 | |
| House Sparrow | Passeridae | 51 | 1991 | -46% | 1968 | |
| Red-winged Blackbird | Icteridae | 35 | 1991 | -7% | 1968 | |
| American Robin | Turdidae | 32 | 1991 | +25% | 1968 | |
| Northern Mockingbird | Mimidae | 30 | 1991 | +124% | 1968 | |
| Ovenbird | Parulidae | 29 | 1991 | +312% | 1968 | |
| Chimney Swift | Apodidae | 20 | 1991 | +57% | 1968 | |
| Least Tern | Laridae | 20 | 1987 | +146% | 1974 | |
| Carolina Wren | Troglodytidae | 18 | 1991 | +74% | 1968 | |
| Northern Bobwhite | Odontophoridae | 17 | 1991 | -49% | 1968 | |
| Mourning Dove | Columbidae | 17 | 1991 | +122% | 1968 | |
| Northern Cardinal | Cardinalidae | 17 | 1991 | -49% | 1968 | |
| Chipping Sparrow | Passerellidae | 16 | 1991 | -37% | 1968 | |
| Barn Swallow | Hirundinidae | 16 | 1991 | +72% | 1968 | |
| Common Yellowthroat | Parulidae | 16 | 1991 | -17% | 1968 | |
| Carolina Chickadee | Paridae | 15 | 1991 | +193% | 1968 | |
| Wood Thrush | Turdidae | 15 | 1991 | +44% | 1968 | |
| Blue Jay | Corvidae | 13 | 1991 | +104% | 1968 | |
| Indigo Bunting | Cardinalidae | 13 | 1991 | -27% | 1968 | |
| Great Blue Heron | Ardeidae | 13 | 1991 | +867% | 1970 | |
| Rock Pigeon | Columbidae | 13 | 1980 | -74% | 1969 | |
| Field Sparrow | Passerellidae | 12 | 1991 | -43% | 1968 | |
| Brown-headed Cowbird | Icteridae | 10 | 1991 | -15% | 1968 | |
| Western Cattle-Egret | Ardeidae | 10 | 1986 | +400% | 1975 | |
| Yellow-billed Cuckoo | Cuculidae | 9 | 1991 | +108% | 1968 | |
| Tufted Titmouse | Paridae | 9 | 1991 | -31% | 1968 | |
| Boat-tailed Grackle | Icteridae | 9 | 1986 | +467% | 1974 | |
| Willet | Scolopacidae | 8 | 1991 | +162% | 1971 | |
| Killdeer | Charadriidae | 7 | 1991 | +13% | 1969 | |
| Eastern Whip-poor-will | Caprimulgidae | 6 | 1991 | +15% | 1968 | |
| Song Sparrow | Passerellidae | 6 | 1991 | -33% | 1968 | |
| Blue Grosbeak | Cardinalidae | 6 | 1991 | +36% | 1969 | |
| Purple Martin | Hirundinidae | 5 | 1991 | +11% | 1969 | |
| Prairie Warbler | Parulidae | 5 | 1987 | +20% | 1968 | |
| Black-billed Cuckoo | Cuculidae | 5 | 1973 | +400% | 1967 | |
| Eastern Wood-Pewee | Tyrannidae | 5 | 1991 | +14% | 1970 | |
| Great Crested Flycatcher | Tyrannidae | 4 | 1991 | -36% | 1968 | |
| Horned Lark | Alaudidae | 4 | 1991 | +15% | 1968 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.