Spectacularly colored shells make these critically endangered Cuban snails highly sought after, but some are working to save them. A collection of Cuban painted snails (Polymita picta) adds vibrant ...

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 ...