Guild
Forest Birds
205 species tracked. As a group, forest birds are -37% since 1968.
Guild Signals
No notable trend signals for forest birds. See the full index history below.
Forecast
If the recent trend holds, Forest birds as a group is projected to stay roughly flat through 2029, near 1.2 (95% range 0.75–1.7). A 5-year backtest shows a typical error of ±7.6%, with 100% of held-out values landing inside the 95% band.
-8%Change by 2029
1.2Projected 2029 index
0.75–1.795% range
±7.6%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 1.2 | 0.77 | 1.7 |
| 2026 | 1.2 | 0.77 | 1.7 |
| 2027 | 1.2 | 0.76 | 1.7 |
| 2028 | 1.2 | 0.76 | 1.7 |
| 2029 | 1.2 | 0.75 | 1.7 |
Forest Birds By State
| Alaska | -43% | 51 |
| Nevada | -25% | 51 |
| Idaho | -24% | 74 |
| Oregon | -22% | 81 |
| Washington | -22% | 78 |
| West Virginia | -21% | 77 |
| South Carolina | -21% | 55 |
| Utah | -19% | 72 |
| Kentucky | -17% | 59 |
| Connecticut | -16% | 65 |
| Maine | -15% | 77 |
| North Carolina | -13% | 72 |
| Wyoming | -13% | 73 |
| Arizona | -12% | 84 |
| Georgia | -11% | 60 |
| Texas | -9% | 83 |
| Vermont | -8% | 70 |
| New Mexico | -7% | 78 |
| Virginia | -7% | 71 |
| Alabama | -0% | 59 |
| New Hampshire | +1% | 80 |
| Montana | +2% | 79 |
| California | +3% | 94 |
| New Jersey | +4% | 65 |
| Indiana | +4% | 61 |
| Tennessee | +4% | 71 |
| Michigan | +5% | 87 |
| Oklahoma | +6% | 60 |
| Arkansas | +9% | 60 |
| Massachusetts | +11% | 68 |
| Florida | +14% | 49 |
| Iowa | +15% | 44 |
| Missouri | +15% | 59 |
| Colorado | +18% | 79 |
| New York | +26% | 86 |
| Minnesota | +28% | 82 |
| Illinois | +28% | 58 |
| Pennsylvania | +30% | 78 |
| Wisconsin | +34% | 79 |
| Nebraska | +36% | 50 |
| Kansas | +44% | 52 |
| Ohio | +45% | 64 |
| South Dakota | +45% | 60 |
| Maryland | +46% | 72 |
| Mississippi | +47% | 53 |
| Rhode Island | +77% | 50 |
| Louisiana | +81% | 50 |
| Delaware | +86% | 53 |
| North Dakota | +88% | 43 |
Member Species
| Smooth-billed Ani | Cuculidae | -94% | 1969 |
| Black-whiskered Vireo | Vireonidae | -88% | 1968 |
| Bay-breasted Warbler | Parulidae | -87% | 1968 |
| Florida Scrub-Jay | Corvidae | -83% | 1968 |
| Spot-breasted Oriole | Icteridae | -83% | 1969 |
| White-crowned Pigeon | Columbidae | -81% | 1968 |
| Field Sparrow | Passerellidae | -77% | 1968 |
| Black-billed Cuckoo | Cuculidae | -75% | 1968 |
| Gray-crowned Rosy-Finch | Fringillidae | -68% | 1984 |
| Bicknell's Thrush | Turdidae | -68% | 1968 |
| Pyrrhuloxia | Cardinalidae | -68% | 1969 |
| White-throated Sparrow | Passerellidae | -67% | 1968 |
| Eastern Towhee | Passerellidae | -63% | 1968 |
| Rivoli's Hummingbird | Trochilidae | -62% | 1983 |
| Prairie Warbler | Parulidae | -62% | 1968 |
| Wood Thrush | Turdidae | -61% | 1968 |
| Canada Warbler | Parulidae | -60% | 1968 |
| Brown Thrasher | Mimidae | -59% | 1968 |
| Baltimore Oriole | Icteridae | -58% | 1968 |
| Orchard Oriole | Icteridae | -57% | 1968 |
| Bachman's Sparrow | Passerellidae | -54% | 1968 |
| Yellow-breasted Chat | Icteriidae | -54% | 1968 |
| Purple Finch | Fringillidae | -50% | 1968 |
| Cerulean Warbler | Parulidae | -49% | 1968 |
| Blue Jay | Corvidae | -48% | 1968 |
| Blue-winged Warbler | Parulidae | -46% | 1968 |
| Veery | Turdidae | -44% | 1968 |
| Pinyon Jay | Corvidae | -43% | 1970 |
| Red-headed Woodpecker | Picidae | -42% | 1968 |
| Golden-winged Warbler | Parulidae | -41% | 1968 |
| Yellow-billed Cuckoo | Cuculidae | -40% | 1968 |
| Groove-billed Ani | Cuculidae | -40% | 1971 |
| American Goldfinch | Fringillidae | -39% | 1968 |
| Elegant Trogon | Trogonidae | -39% | 1980 |
| Kentucky Warbler | Parulidae | -38% | 1968 |
| Song Sparrow | Passerellidae | -38% | 1968 |
| Lewis's Woodpecker | Picidae | -38% | 1970 |
| Connecticut Warbler | Parulidae | -36% | 1969 |
| Indigo Bunting | Cardinalidae | -33% | 1968 |
| Common Yellowthroat | Parulidae | -31% | 1968 |
| Rose-breasted Grosbeak | Cardinalidae | -27% | 1968 |
| Bushtit | Aegithalidae | -22% | 1970 |
| Golden-fronted Woodpecker | Picidae | -22% | 1969 |
| Gray Catbird | Mimidae | -22% | 1968 |
| Blue-throated Mountain-gem | Trochilidae | -21% | 1979 |
| Scarlet Tanager | Cardinalidae | -20% | 1968 |
| California Gnatcatcher | Polioptilidae | -15% | 1974 |
| Allen's Hummingbird | Trochilidae | -12% | 1970 |
| Chestnut-sided Warbler | Parulidae | -11% | 1968 |
| Rufous Hummingbird | Trochilidae | -10% | 1970 |
| American Robin | Turdidae | -9% | 1968 |
| Philadelphia Vireo | Vireonidae | -4% | 1969 |
| Wrentit | Sylviidae | -4% | 1970 |
| Northern Cardinal | Cardinalidae | -4% | 1968 |
| Lawrence's Goldfinch | Fringillidae | -4% | 1970 |
| Summer Tanager | Cardinalidae | -2% | 1968 |
| Chipping Sparrow | Passerellidae | +0% | 1968 |
| Magnolia Warbler | Parulidae | +2% | 1968 |
| Woodhouse's Scrub-Jay | Corvidae | +4% | 1970 |
| Scott's Oriole | Icteridae | +5% | 1969 |
| Downy Woodpecker | Picidae | +7% | 1968 |
| Mourning Warbler | Parulidae | +8% | 1968 |
| Evening Grosbeak | Fringillidae | +8% | 1968 |
| Eastern Bluebird | Turdidae | +9% | 1968 |
| Mexican Jay | Corvidae | +12% | 1970 |
| California Scrub-Jay | Corvidae | +13% | 1970 |
| Brown-headed Nuthatch | Sittidae | +17% | 1968 |
| Prothonotary Warbler | Parulidae | +19% | 1968 |
| Carolina Chickadee | Paridae | +19% | 1968 |
| American Redstart | Parulidae | +21% | 1968 |
| Black-and-white Warbler | Parulidae | +23% | 1968 |
| Yellow Warbler | Parulidae | +26% | 1968 |
| Northern House Wren | Troglodytidae | +27% | 1968 |
| Arctic Warbler | Phylloscopidae | +27% | 1984 |
| Ruby-throated Hummingbird | Trochilidae | +28% | 1968 |
| Juniper Titmouse | Paridae | +34% | 1970 |
| Tufted Titmouse | Paridae | +36% | 1968 |
| Calliope Hummingbird | Trochilidae | +36% | 1970 |
| Red-eyed Vireo | Vireonidae | +37% | 1968 |
| Black-capped Chickadee | Paridae | +37% | 1968 |
| Painted Bunting | Cardinalidae | +37% | 1968 |
| Costa's Hummingbird | Trochilidae | +42% | 1970 |
| Western Bluebird | Turdidae | +43% | 1970 |
| Louisiana Waterthrush | Parulidae | +43% | 1968 |
| Ovenbird | Parulidae | +46% | 1968 |
| Ladder-backed Woodpecker | Picidae | +47% | 1969 |
| Red-bellied Woodpecker | Picidae | +48% | 1968 |
| White-eyed Vireo | Vireonidae | +48% | 1968 |
| Varied Bunting | Cardinalidae | +50% | 1970 |
| Yellow-throated Vireo | Vireonidae | +58% | 1968 |
| Canyon Wren | Troglodytidae | +59% | 1969 |
| Bewick's Wren | Troglodytidae | +62% | 1968 |
| Oak Titmouse | Paridae | +64% | 1970 |
| Blue Grosbeak | Cardinalidae | +64% | 1968 |
| Bridled Titmouse | Paridae | +64% | 1971 |
| Hairy Woodpecker | Picidae | +64% | 1968 |
| Winter Wren | Troglodytidae | +66% | 1968 |
| Pygmy Nuthatch | Sittidae | +70% | 1970 |
| Band-tailed Pigeon | Columbidae | +74% | 1970 |
| Nuttall's Woodpecker | Picidae | +76% | 1970 |
| Tennessee Warbler | Parulidae | +76% | 1968 |
| Cedar Waxwing | Bombycillidae | +87% | 1968 |
| Acorn Woodpecker | Picidae | +91% | 1970 |
| Red-cockaded Woodpecker | Picidae | +96% | 1968 |
| Yellow-bellied Sapsucker | Picidae | +101% | 1968 |
| Worm-eating Warbler | Parulidae | +104% | 1968 |
| Pileated Woodpecker | Picidae | +108% | 1968 |
| Blackburnian Warbler | Parulidae | +109% | 1968 |
| Carolina Wren | Troglodytidae | +109% | 1968 |
| Steller's Jay | Corvidae | +111% | 1970 |
| Cape May Warbler | Parulidae | +113% | 1969 |
| Black-throated Gray Warbler | Parulidae | +115% | 1970 |
| Black-throated Green Warbler | Parulidae | +115% | 1968 |
| Painted Redstart | Parulidae | +124% | 1975 |
| Palm Warbler | Parulidae | +125% | 1969 |
| Black-crested Titmouse | Paridae | +125% | 1969 |
| Bell's Vireo | Vireonidae | +127% | 1968 |
| Cassin's Finch | Fringillidae | +130% | 1970 |
| Black-throated Blue Warbler | Parulidae | +130% | 1968 |
| Marsh Wren | Troglodytidae | +136% | 1968 |
| Nashville Warbler | Parulidae | +142% | 1968 |
| Black-chinned Hummingbird | Trochilidae | +142% | 1969 |
| Mountain Chickadee | Paridae | +149% | 1970 |
| Blue-gray Gnatcatcher | Polioptilidae | +150% | 1968 |
| Chestnut-backed Chickadee | Paridae | +151% | 1970 |
| Yellow-throated Warbler | Parulidae | +151% | 1968 |
| Gray-cheeked Thrush | Turdidae | +157% | 1982 |
| Bullock's Oriole | Icteridae | +164% | 1969 |
| Hooded Warbler | Parulidae | +165% | 1968 |
| White-headed Woodpecker | Picidae | +166% | 1970 |
| Pine Warbler | Parulidae | +166% | 1968 |
| Northern Parula | Parulidae | +169% | 1968 |
| White-breasted Nuthatch | Sittidae | +170% | 1968 |
| Warbling Vireo | Vireonidae | +174% | 1968 |
| Kirtland's Warbler | Parulidae | +181% | 2000 |
| Lesser Goldfinch | Fringillidae | +191% | 1969 |
| Grace's Warbler | Parulidae | +193% | 1970 |
| Hutton's Vireo | Vireonidae | +195% | 1970 |
| MacGillivray's Warbler | Parulidae | +196% | 1970 |
| Clark's Nutcracker | Corvidae | +210% | 1970 |
| Cassin's Vireo | Vireonidae | +213% | 1970 |
| Red Crossbill | Fringillidae | +215% | 1969 |
| Broad-billed Hummingbird | Trochilidae | +217% | 1971 |
| Townsend's Solitaire | Turdidae | +220% | 1970 |
| Hermit Thrush | Turdidae | +223% | 1968 |
| Anna's Hummingbird | Trochilidae | +240% | 1970 |
| Boreal Chickadee | Paridae | +241% | 1968 |
| Hooded Oriole | Icteridae | +241% | 1970 |
| Broad-tailed Hummingbird | Trochilidae | +248% | 1970 |
| Mountain Bluebird | Turdidae | +253% | 1969 |
| Yellow-eyed Junco | Passerellidae | +283% | 1976 |
| Orange-crowned Warbler | Parulidae | +293% | 1970 |
| Northern Waterthrush | Parulidae | +297% | 1968 |
| Pine Grosbeak | Fringillidae | +320% | 1972 |
| White-crowned Sparrow | Passerellidae | +324% | 1970 |
| Hermit Warbler | Parulidae | +333% | 1970 |
| Rock Wren | Troglodytidae | +368% | 1969 |
| Lazuli Bunting | Cardinalidae | +382% | 1969 |
| Pine Siskin | Fringillidae | +384% | 1968 |
| Green-tailed Towhee | Passerellidae | +384% | 1970 |
| Black-headed Grosbeak | Cardinalidae | +384% | 1969 |
| Gray Vireo | Vireonidae | +386% | 1970 |
| Hepatic Tanager | Cardinalidae | +387% | 1970 |
| Blue-headed Vireo | Vireonidae | +411% | 1968 |
| Blackpoll Warbler | Parulidae | +416% | 1970 |
| Plumbeous Vireo | Vireonidae | +429% | 1969 |
| Spotted Towhee | Passerellidae | +433% | 1969 |
| Virginia's Warbler | Parulidae | +444% | 1970 |
| Black-backed Woodpecker | Picidae | +450% | 1971 |
| Pacific Wren | Troglodytidae | +488% | 1970 |
| Bohemian Waxwing | Bombycillidae | +534% | 1976 |
| Western Tanager | Cardinalidae | +549% | 1969 |
| Brown Creeper | Certhiidae | +553% | 1968 |
| Olive Warbler | Peucedramidae | +611% | 1979 |
| Canada Jay | Corvidae | +624% | 1969 |
| Swainson's Thrush | Turdidae | +633% | 1968 |
| Green Jay | Corvidae | +642% | 1970 |
| Varied Thrush | Turdidae | +647% | 1970 |
| Red-breasted Nuthatch | Sittidae | +664% | 1968 |
| Fox Sparrow | Passerellidae | +680% | 1970 |
| Wilson's Warbler | Parulidae | +746% | 1968 |
| Red-faced Warbler | Parulidae | +769% | 1970 |
| Lincoln's Sparrow | Passerellidae | +774% | 1968 |
| Red-breasted Sapsucker | Picidae | +817% | 1970 |
| Long-billed Thrasher | Mimidae | +865% | 1970 |
| Townsend's Warbler | Parulidae | +871% | 1970 |
| Olive Sparrow | Passerellidae | +903% | 1969 |
| Golden-crowned Kinglet | Regulidae | 11× | 1968 |
| Red-naped Sapsucker | Picidae | 11× | 1970 |
| Golden-crowned Sparrow | Passerellidae | 12× | 1982 |
| Ruby-crowned Kinglet | Regulidae | 12× | 1968 |
| American Three-toed Woodpecker | Picidae | 14× | 1971 |
| Black-capped Vireo | Vireonidae | 20× | 1973 |
| Williamson's Sapsucker | Picidae | 22× | 1970 |
| Swainson's Warbler | Parulidae | 34× | 1968 |
| White-winged Crossbill | Fringillidae | 49× | 1972 |
| American Tree Sparrow | Passerellidae | 93× | 1977 |
| Mangrove Cuckoo | Cuculidae | n/a | n/a |
| Buff-bellied Hummingbird | Trochilidae | n/a | n/a |
| Arizona Woodpecker | Picidae | n/a | n/a |
| Bluethroat | Muscicapidae | n/a | n/a |
| Northern Wheatear | Muscicapidae | n/a | n/a |
| Altamira Oriole | Icteridae | n/a | n/a |
| Audubon's Oriole | Icteridae | n/a | n/a |
| Golden-cheeked Warbler | Parulidae | n/a | n/a |