BBS Route · Louisiana · BCR 25
Derry 2 Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 100 species recorded across 32 survey years, still active.
100Species Recorded
32Years Surveyed
1990–2024Span
3Observers
Bird Species Found on Louisiana Derry 2
Top 40 of 100 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Northern Cardinal | Cardinalidae | 82 | 2024 | -24% | 1992 | |
| Yellow-breasted Chat | Icteriidae | 52 | 2024 | +140% | 1992 | |
| Carolina Wren | Troglodytidae | 41 | 2024 | -34% | 1992 | |
| American Crow | Corvidae | 36 | 2024 | -44% | 1992 | |
| Red-winged Blackbird | Icteridae | 33 | 2024 | +149% | 1992 | |
| White-eyed Vireo | Vireonidae | 29 | 2024 | -2% | 1992 | |
| Hooded Warbler | Parulidae | 29 | 2024 | +168% | 1992 | |
| Indigo Bunting | Cardinalidae | 28 | 2024 | +79% | 1992 | |
| Northern Mockingbird | Mimidae | 28 | 2024 | -40% | 1992 | |
| Barn Swallow | Hirundinidae | 25 | 2024 | -36% | 1992 | |
| Tufted Titmouse | Paridae | 24 | 2024 | +39% | 1992 | |
| Pine Warbler | Parulidae | 23 | 2024 | +60% | 1992 | |
| Red-bellied Woodpecker | Picidae | 22 | 2024 | +54% | 1992 | |
| Western Cattle-Egret | Ardeidae | 21 | 2024 | -37% | 1992 | |
| Blue Jay | Corvidae | 21 | 2024 | -18% | 1992 | |
| Cliff Swallow | Hirundinidae | 20 | 2024 | +367% | 1997 | |
| Carolina Chickadee | Paridae | 16 | 2024 | +67% | 1992 | |
| Red-eyed Vireo | Vireonidae | 15 | 2024 | +27% | 1992 | |
| Rock Pigeon | Columbidae | 14 | 2023 | +17% | 1997 | |
| Purple Martin | Hirundinidae | 13 | 2024 | -51% | 1992 | |
| Brown-headed Cowbird | Icteridae | 12 | 2024 | -47% | 1992 | |
| Yellow-billed Cuckoo | Cuculidae | 11 | 2024 | -29% | 1992 | |
| Downy Woodpecker | Picidae | 10 | 2024 | +500% | 1993 | |
| Prairie Warbler | Parulidae | 10 | 2024 | +725% | 1994 | |
| Little Blue Heron | Ardeidae | 9 | 2024 | -44% | 1992 | |
| Summer Tanager | Cardinalidae | 9 | 2024 | -25% | 1992 | |
| Fish Crow | Corvidae | 6 | 2023 | +0% | 1993 | |
| Common Grackle | Icteridae | 6 | 2024 | +39% | 1992 | |
| Common Yellowthroat | Parulidae | 6 | 2024 | -54% | 1992 | |
| Eastern Bluebird | Turdidae | 6 | 2024 | -30% | 1992 | |
| White Ibis | Threskiornithidae | 5 | 2023 | -57% | 2000 | |
| Orchard Oriole | Icteridae | 5 | 2024 | -41% | 1992 | |
| Blue Grosbeak | Cardinalidae | 5 | 2024 | +6% | 1993 | |
| Blue-gray Gnatcatcher | Polioptilidae | 5 | 2024 | +360% | 1996 | |
| Pileated Woodpecker | Picidae | 4 | 2023 | -39% | 1992 | |
| Chimney Swift | Apodidae | 4 | 2023 | -53% | 1992 | |
| Brown-headed Nuthatch | Sittidae | 4 | 2024 | -45% | 1992 | |
| Red-headed Woodpecker | Picidae | 4 | 2024 | +300% | 1993 | |
| Black-bellied Whistling-Duck | Anatidae | 4 | 2024 | -40% | 2022 | |
| Wild Turkey | Phasianidae | 4 | 2024 | +100% | 2022 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.