Add Yahoo as a preferred source to see more of our stories on Google. Most isopods, including pill bugs, have 7 pairs of legs. Utilizing pleopodal lungs creates a permanent respiratory constraint on ...

Mary Jo DiLonardo has worked in print, online, and broadcast journalism for 25 years and covers nature, health, science, and animals. The roly-poly, or pill bug, is a terrestrial crustacean that looks ...

Pill bugs are common but unique creatures that are found throughout the world, including the U.S. They’re also known as rolly pollies because of their tendency to curl up into a ball when they’re ...

Most people first notice pill bugs while lifting a flowerpot or turning over a log, then watching small gray roly polies curl into tight balls. Because they share space with ants and beetles, many ...