Not unusual for kings and rat snakes to be in close proximity to one another or inhabit the same structure. I'd say you are lucky to have cool visitors like kings and rat snakes. Hopefully you'll see a big rat snake @ some point.
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2 tham radix
1 Chicago Tham s. semifasciatus
2 elaphe vulpina
1 gray tiger salamander
4 Aphonopelma hentzi
1 G rosea
1 Haplo minax
1 Brachy angustum
1 Brachy sabulosum
1 Brachy vagans
1 Cent. hentzi scorp