BirdAnalyst
State · BBS 2025 Release · 1966–2024

Louisiana Breeding Birds

177 species recorded across 100 survey routes, 1967 to 2024. Browse by family or guild below.

Louisiana Bird Population TrendsNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

long arc declinecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

American Coot has collapsed in Louisiana: down 99% on the route-weighted index since 1971.

long arc increasecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Barn Swallow has surged in Louisiana: up 50× on the route-weighted index since 1969.

long arc declinecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Blue-winged Teal has collapsed in Louisiana: down 96% on the route-weighted index since 1975.

long arc increasecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Black-bellied Whistling-Duck has surged in Louisiana: up 45× on the route-weighted index since 2003.

long arc declinecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Bachman's Sparrow has collapsed in Louisiana: down 95% on the route-weighted index since 1969.

long arc increasecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Cliff Swallow has surged in Louisiana: up 38× on the route-weighted index since 1994.

How Bird Guilds Are Faring in LouisianaGuild trendA mean-index aggregate across the species in this group — the structural direction of the guild, with individual-species noise smoothed out.Full methodology →

-96%

Game birds

2 species
-84%

Grassland birds

5 species
-63%

Arid-land birds

1 species
-62%

Generalists

15 species
-26%

Wetland birds

36 species
+3%

Aerial insectivores

14 species
+60%

Shorebirds

3 species
+81%

Forest birds

50 species
+162%

Birds of prey

16 species
+316%

Waterfowl

7 species

Louisiana Bird Survey Routes

Browse Louisiana Birds By FamilyTrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →

Each species links to its trend in Louisiana.

Hawks, Eagles & Kites Accipitridae

Bald Eagle -10%Broad-winged Hawk +374%Cooper's Hawk -21%Mississippi Kite +700%Red-shouldered Hawk +326%Red-tailed Hawk +678%Swainson's Hawk +37%Swallow-tailed Kite -30%

Larks Alaudidae

Horned Lark -29%

Kingfishers Alcedinidae

Belted Kingfisher -28%

Ducks, Geese & Waterfowl Anatidae

Black-bellied Whistling-Duck 45×Blue-winged Teal -96%Canada Goose +109%Fulvous Whistling-Duck +730%Mallard -39%Mottled Duck -37%Wood Duck +213%

Anhingas Anhingidae

Anhinga +160%

Swifts Apodidae

Chimney Swift -11%

Herons, Egrets & Bitterns Ardeidae

Black-crowned Night Heron +72%Great Blue Heron +101%Great Egret +244%Green Heron -39%Least Bittern +302%Little Blue Heron -28%Snowy Egret -82%Tricolored Heron +37%Western Cattle-Egret +69%Yellow-crowned Night Heron +124%

Nightjars & Nighthawks Caprimulgidae

Chuck-will's-widow -34%Common Nighthawk -90%

Cardinals & Grosbeaks Cardinalidae

Blue Grosbeak +290%Dickcissel -81%Indigo Bunting +149%Northern Cardinal +34%Painted Bunting -8%Summer Tanager +33%

New World Vultures Cathartidae

Black Vulture +394%Turkey Vulture +181%

Plovers & Lapwings Charadriidae

Killdeer +66%

Storks Ciconiidae

Wood Stork -25%

Pigeons & Doves Columbidae

Common Ground Dove -86%Eurasian Collared-Dove +488%Inca Dove +847%Mourning Dove +84%Rock Pigeon -78%White-winged Dove +792%

Crows, Jays & Magpies Corvidae

American Crow +86%Blue Jay +20%Fish Crow +114%

Cuckoos, Roadrunners & Anis Cuculidae

Greater Roadrunner -63%Yellow-billed Cuckoo +4%

Falcons & Caracaras Falconidae

American Kestrel -18%Crested Caracara +492%

Finches Fringillidae

House Finch +95%

Swallows & Martins Hirundinidae

Barn Swallow 50×Cave Swallow 21×Cliff Swallow 38×Northern Rough-winged Swallow +220%Purple Martin -25%

Blackbirds & Orioles Icteridae

Baltimore Oriole -66%Boat-tailed Grackle +58%Bronzed Cowbird -35%Brown-headed Cowbird +30%Common Grackle -84%Eastern Meadowlark -80%Great-tailed Grackle -90%Orchard Oriole -46%Red-winged Blackbird -31%

Yellow-breasted Chat Icteriidae

Yellow-breasted Chat +93%

Shrikes Laniidae

Loggerhead Shrike -82%

Gulls, Terns & Skimmers Laridae

Caspian Tern -17%Common Tern -63%Forster's Tern -86%Gull-billed Tern -18%Laughing Gull -55%Least Tern +46%Royal Tern -65%

Mockingbirds & Thrashers Mimidae

Brown Thrasher +33%Gray Catbird +84%Northern Mockingbird -37%

New World Quail Odontophoridae

Northern Bobwhite -95%

Osprey Pandionidae

Osprey +106%

Chickadees & Titmice Paridae

Carolina Chickadee +141%Tufted Titmouse +130%

Wood-Warblers Parulidae

American Redstart +34%Black-and-white Warbler +52%Common Yellowthroat -7%Hooded Warbler +680%Kentucky Warbler +9%Louisiana Waterthrush -36%Northern Parula -16%Pine Warbler +71%Prairie Warbler +235%Prothonotary Warbler +194%Swainson's Warbler +468%Worm-eating Warbler +227%Yellow-throated Warbler +68%

New World Sparrows Passerellidae

Bachman's Sparrow -95%Chipping Sparrow +24%Eastern Towhee +36%Field Sparrow -91%Lark Sparrow -74%Seaside Sparrow 19×

Old World Sparrows Passeridae

House Sparrow -86%

Pelicans Pelecanidae

Brown Pelican -5%

Cormorants Phalacrocoracidae

Double-crested Cormorant -32%Neotropic Cormorant -75%

Pheasants, Grouse & Turkeys Phasianidae

Wild Turkey -36%

Woodpeckers Picidae

Downy Woodpecker +418%Hairy Woodpecker +62%Pileated Woodpecker +198%Red-bellied Woodpecker +289%Red-cockaded Woodpecker -76%Red-headed Woodpecker -62%

Grebes Podicipedidae

Pied-billed Grebe +47%

Gnatcatchers Polioptilidae

Blue-gray Gnatcatcher +328%

Rails, Gallinules & Coots Rallidae

American Coot -99%Clapper Rail +580%Common Gallinule +378%King Rail -63%Purple Gallinule +47%

Avocets & Stilts Recurvirostridae

Black-necked Stilt +264%

Sandpipers & Allies Scolopacidae

Willet -88%

Nuthatches Sittidae

Brown-headed Nuthatch -58%White-breasted Nuthatch -21%

Owls Strigidae

Barred Owl +122%Eastern Screech-Owl -51%Great Horned Owl +24%

Starlings & Mynas Sturnidae

European Starling -19%

Ibises & Spoonbills Threskiornithidae

Roseate Spoonbill +563%White Ibis +397%White-faced Ibis +129%

Hummingbirds Trochilidae

Ruby-throated Hummingbird +22%

Wrens Troglodytidae

Carolina Wren +172%Marsh Wren -15%

Thrushes Turdidae

American Robin +113%Eastern Bluebird +98%Wood Thrush +17%

Tyrant Flycatchers Tyrannidae

Acadian Flycatcher +353%Eastern Kingbird -56%Eastern Phoebe +246%Eastern Wood-Pewee -22%Great Crested Flycatcher +40%Scissor-tailed Flycatcher -66%

Vireos Vireonidae

Red-eyed Vireo +469%Warbling Vireo -48%White-eyed Vireo +171%Yellow-throated Vireo +348%

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.