NOVA: Animal Espionage Drones hover silently over whales in the waters off northern Canada, capturing at last the unusual behavior that locals have tried to understand for over a century. In India, wildlife biologists use camera trap technology to compare a passing tiger's stripes with thousands of tiger images to track its movements. With more ""eyes"" in the wild than ever before, camera technology is revolutionizing the study of animals.
NOVA takes you on a journey through the evolution of camera technology in wildlife research. In Canada, caribou outfitted with collar cams show conservationists which habitats they rely on throughout the winter. In South Africa, specialized audio playback cameras help demonstrate how fear of predators might affect prey animals' very biology. Beyond the gripping animal's point-of-view footage, and stunning moments both candid and comical, this technology is giving wildlife managers insights that could help them fight extinction and habitat loss.
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