Doing wild hog removal we get to see quite a bit of "unusual" behavior, I've watched them swim a river, shake off, decide they didn't like that side after all, turn around and swim back across. Have heard numerous reports of them island hopping and channel swimming along the gulf coast.
This looks like a job for .... legal tender! It says so right in this tiny ad:
Experience months or even years of natural building and growing your own food