Part of the foreshore below the chalk cliffs at Peacehaven, Sussex, is designated as a Site of Special Scientific Interest. You aren’t supposed to chip fossils, including some truly enormous ammonites, out of the rock there.
An ammonite, drifting nearby,
Thought, “Now that’s where I’m going to die:
I’m sure I’ll be safe in
The Chalk of Peacehaven –
After all, it’s an SSSI”.