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Walk around.
>snakes
Probably won't be an issue. Make plenty of noise and you'll probably spook them. If you hear rattling, stop, look for the source, and calmly go the other way.
>ticks
You could tuck your shit in if you want but realistically ticks are only a problem if you don't get them off within a day or two. I once got absolutely covered in them as a kid, mom made me bathe with dog shampoo. I turned out alright imo.