60 birds were recorded seen in Oregon in May in our iNaturalist sample; 37 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.
Top birds in May
Mallard
American Robin
Canada Goose
Black-headed Grosbeak
Red-winged Blackbird
Bald Eagle
Great Blue Heron
Song Sparrow
Dark-eyed Junco
Turkey Vulture
California Scrub-Jay
Tree Swallow
All birds seen in Oregon in May
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | Mallard | Anas platyrhynchos | Ducks, Geese, and Swans | 1,528 | Apr (past peak) |
| 2 | American Robin | Turdus migratorius | Thrushes | 1,427 | May (peak) |
| 3 | Canada Goose | Branta canadensis | Ducks, Geese, and Swans | 1,291 | Apr (past peak) |
| 4 | Black-headed Grosbeak | Pheucticus melanocephalus | Cardinals and Allies | 1,102 | May (peak) |
| 5 | Red-winged Blackbird | Agelaius phoeniceus | New World Blackbirds and Orioles | 1,083 | May (peak) |
| 6 | Bald Eagle | Haliaeetus leucocephalus | Hawks, Eagles, and Kites | 969 | May (peak) |
| 7 | Great Blue Heron | Ardea herodias | Herons, Egrets, and Bitterns | 937 | May (peak) |
| 8 | Song Sparrow | Melospiza melodia | New World Sparrows | 926 | Mar (past peak) |
| 9 | Dark-eyed Junco | Junco hyemalis | New World Sparrows | 922 | Jan (past peak) |
| 10 | Turkey Vulture | Cathartes aura | New World Vultures | 792 | May (peak) |
| 11 | California Scrub-Jay | Aphelocoma californica | Crows, Jays, and Magpies | 778 | May (peak) |
| 12 | Tree Swallow | Tachycineta bicolor | Swallows and Martins | 767 | May (peak) |
| 13 | Spotted Towhee | Pipilo maculatus | New World Sparrows | 753 | Apr (past peak) |
| 14 | House Finch | Haemorhous mexicanus | Finches, Euphonias, and Allies | 720 | May (peak) |
| 15 | Western Tanager | Piranga ludoviciana | Cardinals and Allies | 719 | May (peak) |
| 16 | Steller's Jay | Cyanocitta stelleri | Crows, Jays, and Magpies | 653 | May (peak) |
| 17 | Cedar Waxwing | Bombycilla cedrorum | Waxwings | 646 | Jun (rising) |
| 18 | White-crowned Sparrow | Zonotrichia leucophrys | New World Sparrows | 637 | Apr (past peak) |
| 19 | American Goldfinch | Spinus tristis | Finches, Euphonias, and Allies | 635 | May (peak) |
| 20 | American Crow | Corvus brachyrhynchos | Crows, Jays, and Magpies | 624 | Mar (past peak) |
| 21 | Osprey | Pandion haliaetus | Ospreys | 605 | Jul (rising) |
| 22 | Killdeer | Charadrius vociferus | Plovers and Lapwings | 598 | May (peak) |
| 23 | Barn Swallow | Hirundo rustica | Swallows and Martins | 577 | May (peak) |
| 24 | Lazuli Bunting | Passerina amoena | Cardinals and Allies | 561 | May (peak) |
| 25 | Brewer's Blackbird | Euphagus cyanocephalus | New World Blackbirds and Orioles | 552 | May (peak) |
| 26 | Anna's Hummingbird | Calypte anna | Hummingbirds | 536 | Mar (past peak) |
| 27 | European Starling | Sturnus vulgaris | Starlings | 507 | May (peak) |
| 28 | Violet-green Swallow | Tachycineta thalassina | Swallows and Martins | 505 | May (peak) |
| 29 | Red-tailed Hawk | Buteo jamaicensis | Hawks, Eagles, and Kites | 502 | Jan (past peak) |
| 30 | Mourning Dove | Zenaida macroura | Pigeons and Doves | 490 | May (peak) |
| 31 | Yellow-headed Blackbird | Xanthocephalus xanthocephalus | New World Blackbirds and Orioles | 490 | May (peak) |
| 32 | Gadwall | Mareca strepera | Ducks, Geese, and Swans | 484 | May (peak) |
| 33 | Lesser Goldfinch | Spinus psaltria | Finches, Euphonias, and Allies | 483 | May (peak) |
| 34 | Brown-headed Cowbird | Molothrus ater | New World Blackbirds and Orioles | 482 | May (peak) |
| 35 | Bullock's Oriole | Icterus bullockii | New World Blackbirds and Orioles | 481 | May (peak) |
| 36 | House Sparrow | Passer domesticus | Old World Sparrows | 479 | May (peak) |
| 37 | Evening Grosbeak | Hesperiphona vespertina | Finches, Euphonias, and Allies | 473 | May (peak) |
| 38 | Northern Flicker | Colaptes auratus | Woodpeckers | 467 | Mar (past peak) |
| 39 | Northern Yellow Warbler | Setophaga aestiva | New World Warblers | 467 | May (peak) |
| 40 | Wood Duck | Aix sponsa | Ducks, Geese, and Swans | 457 | May (peak) |
| 41 | Wilson's Warbler | Cardellina pusilla | New World Warblers | 450 | May (peak) |
| 42 | Cinnamon Teal | Spatula cyanoptera | Ducks, Geese, and Swans | 427 | May (peak) |
| 43 | California Quail | Callipepla californica | New World Quails | 422 | May (peak) |
| 44 | Spotted Sandpiper | Actitis macularius | Sandpipers and Allies | 370 | May (peak) |
| 45 | Western Kingbird | Tyrannus verticalis | Tyrant Flycatchers | 369 | May (peak) |
| 46 | Wild Turkey | Meleagris gallopavo | Pheasants, Grouse, and Allies | 363 | Apr (past peak) |
| 47 | Great Horned Owl | Bubo virginianus | Typical Owls | 353 | May (peak) |
| 48 | Western Bluebird | Sialia mexicana | Thrushes | 331 | May (peak) |
| 49 | Cliff Swallow | Petrochelidon pyrrhonota | Swallows and Martins | 327 | May (peak) |
| 50 | Hudsonian Whimbrel | Numenius hudsonicus | Sandpipers and Allies | 327 | May (peak) |