BBS Route · Florida · BCR 31
Sugarloaf Key 2 Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 52 species recorded across 13 survey years, still active.
52Species Recorded
13Years Surveyed
2005–2021Span
3Observers
Bird Species Found on Florida Sugarloaf Key 2
Top 40 of 52 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Red-winged Blackbird | Icteridae | 39 | 2021 | -37% | 2007 | |
| White Ibis | Threskiornithidae | 16 | 2021 | -73% | 2007 | |
| White-crowned Pigeon | Columbidae | 16 | 2021 | -39% | 2007 | |
| Tricolored Heron | Ardeidae | 12 | 2021 | -29% | 2007 | |
| Mourning Dove | Columbidae | 8 | 2021 | -67% | 2007 | |
| Red-bellied Woodpecker | Picidae | 8 | 2021 | -68% | 2007 | |
| Gray Kingbird | Tyrannidae | 7 | 2021 | -39% | 2007 | |
| Northern Cardinal | Cardinalidae | 6 | 2021 | -80% | 2007 | |
| Black-whiskered Vireo | Vireonidae | 5 | 2021 | -65% | 2007 | |
| Boat-tailed Grackle | Icteridae | 5 | 2021 | +100% | 2013 | |
| European Starling | Sturnidae | 4 | 2007 | +0% | 2005 | |
| White-eyed Vireo | Vireonidae | 4 | 2018 | -63% | 2007 | |
| Prairie Warbler | Parulidae | 4 | 2021 | -82% | 2007 | |
| Least Tern | Laridae | 3 | 2018 | -60% | 2008 | |
| Snowy Egret | Ardeidae | 3 | 2011 | +100% | 2006 | |
| Reddish Egret | Ardeidae | 3 | 2021 | -14% | 2007 | |
| Common Grackle | Icteridae | 3 | 2021 | -91% | 2007 | |
| Northern Mockingbird | Mimidae | 3 | 2021 | -50% | 2007 | |
| Barn Swallow | Hirundinidae | 3 | 2008 | +200% | 2007 | |
| Clapper Rail | Rallidae | 3 | 2016 | +100% | 2012 | |
| Laughing Gull | Laridae | 2 | 2021 | -81% | 2007 | |
| Brown Pelican | Pelecanidae | 2 | 2005 | n/a | n/a | |
| Magnificent Frigatebird | Fregatidae | 2 | 2021 | -47% | 2007 | |
| Western Cattle-Egret | Ardeidae | 2 | 2008 | +0% | 2005 | |
| Green Heron | Ardeidae | 2 | 2021 | +33% | 2007 | |
| Common Ground Dove | Columbidae | 2 | 2021 | -77% | 2007 | |
| Turkey Vulture | Cathartidae | 2 | 2018 | -69% | 2007 | |
| Little Blue Heron | Ardeidae | 2 | 2014 | +50% | 2008 | |
| Yellow-billed Cuckoo | Cuculidae | 2 | 2007 | +100% | 2006 | |
| Great Crested Flycatcher | Tyrannidae | 2 | 2021 | -56% | 2008 | |
| Shiny Cowbird | Icteridae | 2 | 2010 | +33% | 2007 | |
| Black Vulture | Cathartidae | 2 | 2021 | +633% | 2010 | |
| Brown-headed Cowbird | Icteridae | 2 | 2015 | +100% | 2011 | |
| Royal Tern | Laridae | 2 | 2018 | n/a | n/a | |
| Double-crested Cormorant | Phalacrocoracidae | 1 | 2021 | -64% | 2007 | |
| Great Egret | Ardeidae | 1 | 2018 | -69% | 2008 | |
| Willet | Scolopacidae | 1 | 2008 | -83% | 2005 | |
| Wilson's Plover | Charadriidae | 1 | 2006 | -86% | 2005 | |
| Rock Pigeon | Columbidae | 1 | 2016 | -46% | 2007 | |
| Mangrove Cuckoo | Cuculidae | 1 | 2018 | +0% | 2011 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.