Even really young colubrid can stay alive longer than you think. I had a kingsnake escape in early January weighing only 12 grams. He was gone all the way through the mid-May. Found him at the same weight he disappeared at after finding a shed in a room we dont ever have snake sheds and found him right nearby under a small leather cube automan. He's been doing well ever since. We had given up at around 2 months after turning over everything in all of the rooms on the house with heat sources, water sources, or exits to outside/wild food sources.

Unless you have a cat that might be inclined to hunt a snake out to kill, I highly doubt your corn is dead after only 2 days.

I believe I saw a thread from someone a while back that had a baby corn escape that they found healthy, happy, and adult sized in their basement several years later.

Just keep looking, leave water along the edges of the rooms you think he is most likely to be in (of they hug the edges for security, he will come across it), and maybe try lining doorways with flour or something if you dont have carpet. That'll help you narrow what room or rooms he is moving between to narrow your search.

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