MCU FA of thin-billed prion walking then flying off. MS of wildlife filmmakers Mark Smith and Jane Watson standing in dark with camera. MCU of thin-billed prion held in Smith's hand, bird struggling, Smith releasing it. MS FA of thin-billed prion walking on ground. MCU SA of thin-billed prion going down into hole in ground. MS of egg on ground, thin-billed prion walking to it and sitting on it. ECU of camera lens. MS of wildlife filmmaker Jane Watson standing behind camera. ECU of screen of camera showing ghostly images of birds in flight. MS of huge flock of thin-billed prions flying about, some landing on ground.