BBS Route · Louisiana · BCR 37
Junior Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 65 species recorded across 3 survey years, no longer active.
65Species Recorded
3Years Surveyed
1987–1991Span
1Observers
Bird Species Found on Louisiana Junior
Top 40 of 65 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Laughing Gull | Laridae | 279 | 1991 | +933% | 1987 | |
| Common Grackle | Icteridae | 248 | 1991 | +44% | 1987 | |
| European Starling | Sturnidae | 109 | 1991 | +25% | 1987 | |
| Magnificent Frigatebird | Fregatidae | 92 | 1991 | n/a | n/a | |
| Western Cattle-Egret | Ardeidae | 90 | 1991 | +291% | 1987 | |
| Red-winged Blackbird | Icteridae | 85 | 1991 | -57% | 1987 | |
| Blue Jay | Corvidae | 71 | 1991 | -12% | 1987 | |
| Orchard Oriole | Icteridae | 69 | 1991 | -50% | 1987 | |
| Northern Cardinal | Cardinalidae | 65 | 1991 | -28% | 1987 | |
| Snowy Egret | Ardeidae | 55 | 1991 | -29% | 1987 | |
| Purple Martin | Hirundinidae | 47 | 1991 | +12% | 1987 | |
| American Crow | Corvidae | 37 | 1991 | -10% | 1987 | |
| Mourning Dove | Columbidae | 36 | 1991 | +20% | 1987 | |
| Carolina Chickadee | Paridae | 36 | 1991 | -52% | 1987 | |
| Northern Mockingbird | Mimidae | 34 | 1991 | -33% | 1987 | |
| Mottled Duck | Anatidae | 32 | 1991 | +167% | 1987 | |
| Great Egret | Ardeidae | 26 | 1991 | -19% | 1987 | |
| Tricolored Heron | Ardeidae | 24 | 1991 | +20% | 1987 | |
| House Sparrow | Passeridae | 19 | 1991 | -37% | 1987 | |
| Prothonotary Warbler | Parulidae | 18 | 1991 | +6% | 1987 | |
| Green Heron | Ardeidae | 17 | 1991 | -15% | 1987 | |
| Carolina Wren | Troglodytidae | 13 | 1991 | +18% | 1987 | |
| Downy Woodpecker | Picidae | 11 | 1991 | -54% | 1987 | |
| Great Crested Flycatcher | Tyrannidae | 11 | 1991 | +0% | 1987 | |
| Loggerhead Shrike | Laniidae | 11 | 1991 | -15% | 1987 | |
| Forster's Tern | Laridae | 10 | 1991 | -60% | 1987 | |
| Killdeer | Charadriidae | 10 | 1991 | -29% | 1987 | |
| Turkey Vulture | Cathartidae | 10 | 1991 | -73% | 1987 | |
| Brown-headed Cowbird | Icteridae | 10 | 1991 | -85% | 1987 | |
| Little Blue Heron | Ardeidae | 9 | 1991 | -40% | 1987 | |
| Least Tern | Laridae | 8 | 1988 | -91% | 1987 | |
| Yellow-crowned Night Heron | Ardeidae | 7 | 1991 | +40% | 1987 | |
| Rock Pigeon | Columbidae | 7 | 1988 | +0% | 1987 | |
| Eastern Kingbird | Tyrannidae | 7 | 1991 | +40% | 1987 | |
| Painted Bunting | Cardinalidae | 7 | 1991 | +75% | 1987 | |
| Black Vulture | Cathartidae | 6 | 1991 | -33% | 1987 | |
| Red-shouldered Hawk | Accipitridae | 6 | 1991 | +50% | 1987 | |
| Eastern Meadowlark | Icteridae | 6 | 1991 | -67% | 1987 | |
| Red-bellied Woodpecker | Picidae | 5 | 1991 | +150% | 1987 | |
| Chimney Swift | Apodidae | 5 | 1991 | -29% | 1987 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.