60 butterflies were recorded flying in Alabama in May in our iNaturalist sample; 8 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.
Top butterflies in May

Eastern Tiger Swallowtail

Pipevine Swallowtail
Hackberry Emperor

Common Buckeye

American Lady

Eastern Tailed-Blue

Spicebush Swallowtail

Silver-spotted Skipper

Pearl Crescent

Zebra Swallowtail

American Snout

Little Wood Satyr
All butterflies flying in Alabama in May
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | Eastern Tiger Swallowtail | Papilio glaucus | Swallowtails and Parnassians | 258 | Aug (rising) |
| 2 | Pipevine Swallowtail | Battus philenor | Swallowtails and Parnassians | 208 | Sep (rising) |
| 3 | Hackberry Emperor | Asterocampa celtis | Brush-footed Butterflies | 177 | Sep (rising) |
| 4 | Common Buckeye | Junonia coenia | Brush-footed Butterflies | 176 | Sep (rising) |
| 5 | American Lady | Vanessa virginiensis | Brush-footed Butterflies | 175 | May (peak) |
| 6 | Eastern Tailed-Blue | Everes comyntas | Gossamer-winged Butterflies | 165 | Sep (rising) |
| 7 | Spicebush Swallowtail | Papilio troilus | Swallowtails and Parnassians | 153 | Aug (rising) |
| 8 | Silver-spotted Skipper | Epargyreus clarus | Skippers | 139 | Aug (rising) |
| 9 | Pearl Crescent | Phyciodes tharos | Brush-footed Butterflies | 133 | Sep (rising) |
| 10 | Zebra Swallowtail | Eurytides marcellus | Swallowtails and Parnassians | 106 | Apr (past peak) |
| 11 | American Snout | Libytheana carinenta | Brush-footed Butterflies | 104 | Jun (rising) |
| 12 | Little Wood Satyr | Megisto cymela | Brush-footed Butterflies | 97 | May (peak) |
| 13 | Question Mark | Polygonia interrogationis | Brush-footed Butterflies | 94 | Sep (rising) |
| 14 | Carolina Satyr | Hermeuptychia sosybius | Brush-footed Butterflies | 91 | Aug (rising) |
| 15 | Variegated Fritillary | Euptoieta claudia | Brush-footed Butterflies | 88 | Sep (rising) |
| 16 | Monarch | Danaus plexippus | Brush-footed Butterflies | 84 | Oct (rising) |
| 17 | Red Admiral | Vanessa atalanta | Brush-footed Butterflies | 83 | Aug (rising) |
| 18 | Small White | Pieris rapae | Whites, Yellows, and Sulphurs | 79 | May (peak) |
| 19 | Zabulon Skipper | Lon zabulon | Skippers | 68 | Aug (rising) |
| 20 | Horace's Duskywing | Erynnis horatius | Skippers | 62 | Aug (rising) |
| 21 | Fiery Skipper | Hylephila phyleus | Skippers | 52 | Aug (rising) |
| 22 | Gray Hairstreak | Strymon melinus | Gossamer-winged Butterflies | 45 | Sep (rising) |
| 23 | Northern Pearly-eye | Lethe anthedon | Brush-footed Butterflies | 42 | May (peak) |
| 24 | Eastern Giant Swallowtail | Heraclides cresphontes | Swallowtails and Parnassians | 39 | Sep (rising) |
| 25 | Sleepy Orange | Eurema nicippe | Whites, Yellows, and Sulphurs | 38 | Aug (rising) |
| 26 | Gulf Fritillary | Dione vanillae | Brush-footed Butterflies | 37 | Sep (rising) |
| 27 | Silvery Checkerspot | Chlosyne nycteis | Brush-footed Butterflies | 35 | Aug (rising) |
| 28 | Summer Azure | Celastrina neglecta | Gossamer-winged Butterflies | 34 | Jun (rising) |
| 29 | Red-banded Hairstreak | Calycopis cecrops | Gossamer-winged Butterflies | 33 | Sep (rising) |
| 30 | Clouded Skipper | Lerema accius | Skippers | 31 | Oct (rising) |
| 31 | Cloudless Sulphur | Phoebis sennae | Whites, Yellows, and Sulphurs | 29 | Sep (rising) |
| 32 | Banded Hairstreak | Satyrium calanus | Gossamer-winged Butterflies | 26 | May (peak) |
| 33 | Red-spotted Admiral | Limenitis arthemis | Brush-footed Butterflies | 26 | Sep (rising) |
| 34 | Whirlabout | Hedone vibex | Skippers | 26 | Aug (rising) |
| 35 | Broad-winged Skipper | Poanes viator | Skippers | 22 | May (peak) |
| 36 | Viceroy | Limenitis archippus | Brush-footed Butterflies | 21 | Sep (rising) |
| 37 | Mourning Cloak | Nymphalis antiopa | Brush-footed Butterflies | 20 | May (peak) |
| 38 | Hoary Edge | Cecropterus lyciades | Skippers | 19 | Jul (rising) |
| 39 | Eastern Comma | Polygonia comma | Brush-footed Butterflies | 18 | Sep (rising) |
| 40 | Great Spangled Fritillary | Argynnis cybele | Brush-footed Butterflies | 18 | Jun (rising) |
| 41 | Tawny Emperor | Asterocampa clyton | Brush-footed Butterflies | 17 | Sep (rising) |
| 42 | Twin-spot Skipper | Oligoria maculata | Skippers | 17 | May (peak) |
| 43 | Checkered White | Pontia protodice | Whites, Yellows, and Sulphurs | 16 | Jun (rising) |
| 44 | Palamedes Swallowtail | Papilio palamedes | Swallowtails and Parnassians | 16 | Sep (rising) |
| 45 | Least Skipper | Ancyloxypha numitor | Skippers | 15 | Sep (rising) |
| 46 | Southern Pearly-eye | Lethe portlandia | Brush-footed Butterflies | 13 | Sep (rising) |
| 47 | Appalachian Brown | Lethe appalachia | Brush-footed Butterflies | 12 | Jul (rising) |
| 48 | Coral Hairstreak | Satyrium titus | Gossamer-winged Butterflies | 11 | Jun (rising) |
| 49 | Tropical Checkered-Skipper | Burnsius oileus | Skippers | 11 | Oct (rising) |
| 50 | Phaon Crescent | Phyciodes phaon | Brush-footed Butterflies | 10 | Oct (rising) |