Today, he's the director of the Global Owl Project, which researches the enigmatic bird and works to preserve owl habitat around the world.
Correspondent Conor Knighton talks with Johnson; science writer Jennifer Ackerman, author of the book "What an Owl Knows"; and Andrew Wildbill, wildlife manager for the Confederated Tribes of the Umatilla Indian Reservation, whose dwindling owl population is being restored.