"We are urging anyone who is fishing, sailing or walking along beaches to record their jellyfish encounters and join in this effort to understand the ecology of our fabulous jellyfish, " he said.

BBC: Lion's mane jellyfish

Join one of the two whale watching outfits there (we chose North Sailing) for an evening whale watch aboard an old wooden fishing boat, some of which are actually repurposed whaling boats.

CNN: Ring around the country: Nine days in Iceland