A penguin nursery, filmed for the first time after BBC cameraman hid their cameras inside fake birds

Spy cameras disguised as penguins were used to capture these incredible pictures of the flightless birds' private lives. Documentary film-makers hid their cameras inside 50 animatronic replicas of the marine birds to get closer to them than has ever been possible before. The were captured for a forthcoming documentary charting a year in the lives of three penguin communities, revealing the qualities that make them among nature's most devoted parents.