Risso's dolphins are often seen around Cornwall, although not as frequently as bottlenose and common dolphins.

BBC: Dead rare dolphin and whale found

Days later a Risso's dolphin calf was discovered less than quarter of a mile away (about 402m).

BBC: Dead rare dolphin and whale found

Risso dismisses privacy worries, pointing out that his battery would die after just three minutes of video recording anyway.

CNN: Figuring out real-world etiquette for Google Glass

When Mr Hicks was alerted to the dolphin, he sent photographs to the Marine Strandings Network who identified it as a Risso.

BBC: Dead rare dolphin and whale found

Alison Risso, now a Washington D.

FORBES: What Not To Say At Work