Snakeater
Boil any water first ( even if you iodine), strain through a sock before drinking
If it runs, crawls, slithers or swims you can kill it and eat it, cooked or raw
Avoid all fungus unless you know what it is for sure. Eat only greens and fruit you can ID.
Grubs and worms are tasty sautéed, no caterpillars.
Here endth the first lesson