Where to see a Black Swallowtail in New Jersey

The Black Swallowtail is recorded in the counties of 60 New Jersey state parks (research-grade iNaturalist observations). Ranked by how often it is observed in each area:

1. Bulls Island Recreation Area
2. Round Valley Recreation Area
3. Spruce Run Recreation Area
4. Voorhees State Park
5. Atsion Recreation Area
6. Bass River State Forest
7. Brendan T. Byrne State Forest
8. Penn State Forest
9. Rancocas State Park
10. Wharton State Forest
11. Garden State Park
12. Green Bank State Forest
13. Mount Laurel State Park
14. Tall Pines State Preserve
15. Princeton Battlefield State Park
16. Washington Crossing State Park
17. Baldwin State Park
18. Capital State Park
19. Allaire State Park
20. Barnegat Lighthouse State Park
21. Double Trouble State Park
22. Island Beach State Park
23. Monmouth Battlefield State Park
24. Warren Grove Recreation Area
25. Jackson State Forest

These are county-level records — the species is documented in the area around each park, which is a strong steer rather than a guarantee for the park itself.

Black Swallowtail in other states → · All New Jersey state parks →