"the latest reappearance of the Loch Ness monster"

The Loch Ness Monster is said to be a plesiosaur that lives in Scotland's Loch Ness.  Various eyewitness accounts and blurred photographs have testified to its existence over the years, but no scientific expedition has ever found definitive proof.

For further information, as well as a look at the famous "surgeon's photograph" (which was debunked as a hoax in 1994), visit Monstropedia.