Wildlife rehabilitators can legally care for injured or sick squirrels, but the animals can't be pets in many states.

If you’re active on social media, you may have come across Peanut the squirrel, a beloved pet who quickly rose to internet fame along with his dad, Mark Longo. Mark has spent the last seven years sharing his adventures with Peanut with the world under the Instagram handle @peanut_the_squirrel12.