BBS Route · Pennsylvania · BCR 13
Harmonsburg Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 122 species recorded across 50 survey years, still active.
122Species Recorded
50Years Surveyed
1966–2023Span
8Observers
Bird Species Found on Pennsylvania Harmonsburg
Top 40 of 122 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Red-winged Blackbird | Icteridae | 132 | 2023 | -47% | 1968 | |
| European Starling | Sturnidae | 122 | 2023 | -26% | 1968 | |
| American Robin | Turdidae | 79 | 2023 | +47% | 1968 | |
| House Sparrow | Passeridae | 63 | 2023 | -34% | 1968 | |
| Chimney Swift | Apodidae | 58 | 2023 | +174% | 1968 | |
| Song Sparrow | Passerellidae | 57 | 2023 | +7% | 1968 | |
| Cedar Waxwing | Bombycillidae | 55 | 2023 | 11× | 1968 | |
| Common Grackle | Icteridae | 50 | 2023 | +29% | 1968 | |
| Yellow Warbler | Parulidae | 46 | 2023 | +13% | 1968 | |
| American Crow | Corvidae | 45 | 2023 | +58% | 1968 | |
| Mourning Dove | Columbidae | 36 | 2023 | +100% | 1968 | |
| Northern House Wren | Troglodytidae | 36 | 2023 | +186% | 1968 | |
| Chipping Sparrow | Passerellidae | 34 | 2023 | +122% | 1968 | |
| Common Yellowthroat | Parulidae | 34 | 2023 | +30% | 1968 | |
| Eastern Wood-Pewee | Tyrannidae | 28 | 2023 | +129% | 1968 | |
| Red-eyed Vireo | Vireonidae | 28 | 2023 | +188% | 1968 | |
| Gray Catbird | Mimidae | 27 | 2023 | +165% | 1968 | |
| Barn Swallow | Hirundinidae | 26 | 2023 | +167% | 1968 | |
| Northern Cardinal | Cardinalidae | 24 | 2023 | +326% | 1968 | |
| Indigo Bunting | Cardinalidae | 24 | 2023 | -2% | 1968 | |
| Warbling Vireo | Vireonidae | 24 | 2023 | +154% | 1968 | |
| Baltimore Oriole | Icteridae | 18 | 2023 | -7% | 1968 | |
| Red-bellied Woodpecker | Picidae | 17 | 2023 | +560% | 1998 | |
| American Goldfinch | Fringillidae | 15 | 2023 | -37% | 1968 | |
| Brown-headed Cowbird | Icteridae | 14 | 2023 | +44% | 1968 | |
| Eastern Phoebe | Tyrannidae | 13 | 2023 | +35% | 1968 | |
| Purple Martin | Hirundinidae | 13 | 2023 | +106% | 1968 | |
| Willow Flycatcher | Tyrannidae | 12 | 2023 | -21% | 1975 | |
| Eastern Meadowlark | Icteridae | 11 | 2023 | -90% | 1968 | |
| Eastern Bluebird | Turdidae | 11 | 2023 | +717% | 1970 | |
| Blue Jay | Corvidae | 10 | 2023 | +146% | 1968 | |
| Wood Thrush | Turdidae | 10 | 2023 | +5% | 1968 | |
| House Finch | Fringillidae | 10 | 2023 | +28% | 1989 | |
| American Redstart | Parulidae | 9 | 2023 | +200% | 1969 | |
| Killdeer | Charadriidae | 8 | 2023 | +44% | 1968 | |
| Eastern Towhee | Passerellidae | 7 | 2023 | -29% | 1968 | |
| Rose-breasted Grosbeak | Cardinalidae | 7 | 2023 | +167% | 1968 | |
| Acadian Flycatcher | Tyrannidae | 7 | 2023 | +233% | 2001 | |
| Great Crested Flycatcher | Tyrannidae | 6 | 2023 | +43% | 1968 | |
| Bobolink | Icteridae | 6 | 2023 | -84% | 1968 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.