Snails have shells the moment they're born, but it's kind of hard to tell. In fact, it's hard to even see a baby snail. Some are nearly microscopic, such as Angustopila psammion, whose adult-sized ...

Editor's note: This is an occasional series from the Louisiana Master Naturalists of Greater Baton Rouge. That bright pink “bubblegum” you may see clinging to cypress knees along the banks of bayous ...