What are beach rocks with holes called?
What are beach rocks with holes called? People from the British Isles have long called these uncanny rocks hagstones, holey stones, or witch stones.
What are the floating balls on the beach?
Sea balls (also known as Aegagropila or Pillae marinae) are tightly packed balls of fibrous marine material, recorded from the seashore. They vary in size but are generally up to 7 centimetres (2.8 in) in size.