Why do earthworms appear on wet roads?
It’s raining a lot these days, and during my early morning walk, I see many earthworms popping out of the ground and filling the sidewalks and the streets. I observed this behaviour many times in similarly wet conditions. So I asked Claude: Why do earthworms appear on wet roads? When it rains heavily, streets fill with earthworms for several reasons: Earthworms breathe through their skin, which must remain moist. During heavy rainfall, their underground tunnels flood, forcing them to surface to avoid drowning. ...