 | 3366-26. Black swallowtail butterfly (Papilio polyxenes) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023Similar picturesSmall thumbnails | Use large thumbnails | View as slideshow |
| 3366-26. Black swallowtail butterfly (Papilio polyxenes) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023Similar picturesSmall thumbnails | Use large thumbnails | View as slideshow |
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