African serval, tegu lizard: Meet the animal stars of the Photo Ark project

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National Geographic magazine photographer Joel Sartore set out to document the world’s animals one photo at a time in the Photo Ark project. John Chapo, president of the Lincoln Children’s Zoo, joins him on TODAY to discuss the project, and they bring along an African serval, and tegu lizard, a tarantula and a very shy armadillo that refuses to emerge from a rolled-up ball!