Just back: The Marisco Tavern quiz I'd seen Benjamin's Chair - the sheltered ledge high on the Lundy cliffs - climbed hundreds of steps to the top of the island's old lighthouse and been coaxed down the goat track to peer into the abyss that is known as the Devil's Limekiln. I'd borrowed binoculars to watch guillemots, counted endless darting wheatears and photographed leaping dolphins and basking seals. I'd even learnt that the pygmy shrew - found in larders all over the island - is Lundy's only indigenous mammal. But I hadn't spotted a single puffin, despite hearing that they'd be occupying the island en masse during the breeding season. If I had, I feel sure the conversation would have naturally turned to their Latin name and I wouldn't now be worrying about becoming the laughing stock of the Marisco Tavern. We chewed on our pencils with furrowed brows: Ed and Nicky, regular visitors to Lundy but who clearly preferred the EastEnders questions to the flora and fauna ones; the Canadian climber and his mate, who had already caused hilarity by producing a photo of what they thought was a puffin, only for it to be denounced as a razorbill by members of the field society; and me, incapable of identifying a bird or a plant, unless it's wearing a name badge. We were hopeless. Below the table, out of sight of the quizmaster, we flicked through our Lonely Planet, hoping in vain that there might be a page dedicated to Latin bird names. But it was no good. We were on our own. Surely Puffinus puffinus had to be the puffin? How could it be anything else, here on an island that's so famous for its puffins that even the early Norse visitors noticed them and used their word for puffins (lundi) to give it its name? So we wrote "puffin" on our answer sheet. And came fourth from bottom in the Marisco Tavern pub quiz. Members of the Lundy Field Society and Manx shearwaters everywhere have only just stopped laughing. Email your entry of no more than 500 words (with the text in the email itself rather than attached) to justback@telegraph.co.uk by midnight on Wednesday, June 27.