BBS Route · Florida · BCR 31
Key Largo Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 48 species recorded across 5 survey years, no longer active.
48Species Recorded
5Years Surveyed
1987–1991Span
2Observers
Bird Species Found on Florida Key Largo
Top 40 of 48 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| White-crowned Pigeon | Columbidae | 70 | 1991 | +44% | 1988 | |
| Red-winged Blackbird | Icteridae | 58 | 1991 | -10% | 1988 | |
| Common Grackle | Icteridae | 57 | 1991 | -7% | 1988 | |
| Northern Cardinal | Cardinalidae | 52 | 1991 | -14% | 1988 | |
| Black-whiskered Vireo | Vireonidae | 50 | 1991 | -30% | 1988 | |
| Eurasian Collared-Dove | Columbidae | 44 | 1991 | +126% | 1989 | |
| Great Egret | Ardeidae | 43 | 1990 | 14× | 1987 | |
| Gray Kingbird | Tyrannidae | 21 | 1991 | +0% | 1988 | |
| White-eyed Vireo | Vireonidae | 20 | 1991 | -32% | 1988 | |
| Least Tern | Laridae | 16 | 1991 | +300% | 1988 | |
| Red-bellied Woodpecker | Picidae | 13 | 1991 | -15% | 1988 | |
| Prairie Warbler | Parulidae | 10 | 1991 | -54% | 1988 | |
| Laughing Gull | Laridae | 9 | 1991 | +44% | 1988 | |
| Northern Mockingbird | Mimidae | 8 | 1991 | -13% | 1988 | |
| Mourning Dove | Columbidae | 7 | 1991 | +500% | 1988 | |
| Great Crested Flycatcher | Tyrannidae | 7 | 1991 | +250% | 1989 | |
| Double-crested Cormorant | Phalacrocoracidae | 6 | 1991 | +44% | 1988 | |
| Rock Pigeon | Columbidae | 5 | 1991 | -38% | 1989 | |
| White Ibis | Threskiornithidae | 4 | 1991 | -38% | 1988 | |
| Turkey Vulture | Cathartidae | 4 | 1991 | +133% | 1988 | |
| House Sparrow | Passeridae | 4 | 1991 | -22% | 1989 | |
| Green Heron | Ardeidae | 3 | 1991 | -50% | 1988 | |
| Common Nighthawk | Caprimulgidae | 3 | 1991 | +67% | 1988 | |
| European Starling | Sturnidae | 3 | 1991 | -67% | 1988 | |
| Carolina Wren | Troglodytidae | 3 | 1991 | +250% | 1988 | |
| Osprey | Pandionidae | 3 | 1991 | +200% | 1988 | |
| Magnificent Frigatebird | Fregatidae | 2 | 1991 | +9% | 1988 | |
| Mangrove Cuckoo | Cuculidae | 2 | 1991 | +0% | 1987 | |
| Blue Jay | Corvidae | 2 | 1991 | +100% | 1988 | |
| Shiny Cowbird | Icteridae | 2 | 1988 | n/a | n/a | |
| Little Blue Heron | Ardeidae | 2 | 1991 | -50% | 1989 | |
| Purple Martin | Hirundinidae | 2 | 1990 | n/a | n/a | |
| Brown Pelican | Pelecanidae | 1 | 1990 | -67% | 1987 | |
| Great Blue Heron | Ardeidae | 1 | 1989 | +0% | 1987 | |
| Snowy Egret | Ardeidae | 1 | 1987 | n/a | n/a | |
| Tricolored Heron | Ardeidae | 1 | 1991 | +125% | 1988 | |
| Common Ground Dove | Columbidae | 1 | 1991 | -50% | 1987 | |
| Swallow-tailed Kite | Accipitridae | 1 | 1987 | n/a | n/a | |
| Red-shouldered Hawk | Accipitridae | 1 | 1989 | -75% | 1987 | |
| Yellow-billed Cuckoo | Cuculidae | 1 | 1991 | -25% | 1988 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.