onenicebugperday: Just wanted to share these pics @ahollowyear sent me via IM! They were wondering w
onenicebugperday: Just wanted to share these pics @ahollowyear sent me via IM! They were wondering what the heck could make such a trail on a metal trash can lid covered in algae. It’s a snail feeding trail! All those little marks are made by the snail’s radula scraping off algae :) -- source link