Eastern Tiger Swallowtail
Papilio glaucus · Also known as: tiger swallowtail
Big yellow swallowtail of Eastern woods and gardens, common along Assateague trails and mainland nectar patches near Ocean City.
Quick facts
| Group | Butterfly |
|---|---|
| Likelihood nearby | ★★★★☆ |
| Habitats | Maritime forest, Salt marsh, Assateague State Park, Assateague National Seashore, Mainland near OC |
| Seasons (this coast) | spring, summer, fall |
How to recognize them
- Large yellow wings with black tiger stripes; males show little blue on hindwings, females more blue and sometimes a dark morph.
- Distinctive tails on hindwings; strong, floating flight through open woods and yards.
Biology notes
- Caterpillars feed on tulip tree, cherry, ash, and other host plants in maritime forest and landscaped areas.
- Two broods typical on the coast; puddles on damp trails for minerals.
Where to see them around Ocean City
- Assateague State Park and National Seashore forest loops and picnic areas.
- Ocean City mainland parks with flowering shrubs—azalea, butterfly bush, and lantana plantings.
- Marsh-edge trails where wild cherry and sweetbay grow in the understory.
When to look
- April–September with peaks in late spring and mid-summer.
Viewing tips & etiquette
- Watch sunny openings in maritime forest—swallowtails cruise treetop height then drop to nectar.
- Dark-form females can look like black swallowtails; check for faint stripes and size.
