Tiny 3/16″ Burrow Holes: Nightcrawlers or Snakes?

Question: 3/16″ holes in dirt; animal quickly retreats when watched. Told snakes don't burrow. What makes these?

Answer: Location & Habitat Needed—Likely Nightcrawlers

• No location/habitat provided = can't ID
• Nightcrawlers (earthworms) make small holes, retreat fast
• Snakes: generally don't burrow, but hognose snakes can dig

Self-Help

ICWDM Animal Damage ID – click through questions.