State · BBS 2026 Release · 1966–2025
Mississippi Breeding Birds
153 species recorded across 74 survey routes, 1966 to 2025. Browse by family or guild below.
Mississippi 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 →
Northern Bobwhite has collapsed in Mississippi: down 98% on the route-weighted index since 1968.
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 Mississippi: up 42× on the route-weighted index since 1988.
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 →
Grasshopper Sparrow has collapsed in Mississippi: down 96% on the route-weighted index since 1972.
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 →
Northern Rough-winged Swallow has surged in Mississippi: up 39× 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 →
Common Nighthawk has collapsed in Mississippi: down 94% on the route-weighted index since 1968.
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 →
Red-shouldered Hawk has surged in Mississippi: up 25× on the route-weighted index since 1968.
How Bird Guilds Are Faring in MississippiGuild trendA mean-index aggregate across the species in this group — the structural direction of the guild, with individual-species noise smoothed out.Full methodology →
Mississippi Bird Survey Routes
Browse Mississippi 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 Mississippi.
Hawks, Eagles & Kites Accipitridae
Larks Alaudidae
Kingfishers Alcedinidae
Ducks, Geese & Waterfowl Anatidae
Anhingas Anhingidae
Swifts Apodidae
Herons, Egrets & Bitterns Ardeidae
Nightjars & Nighthawks Caprimulgidae
Cardinals & Grosbeaks Cardinalidae
Plovers & Lapwings Charadriidae
Pigeons & Doves Columbidae
Falcons & Caracaras Falconidae
Finches Fringillidae
Cranes Gruidae
Swallows & Martins Hirundinidae
Blackbirds & Orioles Icteridae
Shrikes Laniidae
New World Quail Odontophoridae
Wood-Warblers Parulidae
American Redstart +14%Black-and-white Warbler +270%Common Yellowthroat -36%Hooded Warbler +875%Kentucky Warbler +236%Louisiana Waterthrush +141%Northern Parula +246%Ovenbird -11%Pine Warbler +382%Prairie Warbler +582%Prothonotary Warbler +346%Swainson's Warbler +53%Worm-eating Warbler +213%Yellow-throated Warbler +340%
New World Sparrows Passerellidae
Old World Sparrows Passeridae
Cormorants Phalacrocoracidae
Pheasants, Grouse & Turkeys Phasianidae
Woodpeckers Picidae
Grebes Podicipedidae
Gnatcatchers Polioptilidae
Avocets & Stilts Recurvirostridae
Starlings & Mynas Sturnidae
Ibises & Spoonbills Threskiornithidae
Hummingbirds Trochilidae
Wrens Troglodytidae
Tyrant Flycatchers Tyrannidae
Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14.