I wouldn't put that past British Harrier pilots
During last summer we (family) visited Loro Parque in Tenerife. There they have created a mini Antartic called what else 'Penguin World' Inside this dome there are about 50 penguins standing around in the snow looking pretty fed up and just waiting for feeding time. What looked even more fed up and pissed off was a local Seagull that had somehow got inside the freezing dome