Joanne, an 8-week-old Sumatran tiger cub, is photographed at the San Diego Zoo Safari Park. She is part of the zoos breeding program, helping to boost the shrinking number of tigers in the wild.

Photo by Peggy Pico / KPBS

Above: Joanne, an 8-week-old Sumatran tiger cub, is photographed at the San Diego Zoo Safari Park. She is part of the zoos breeding program, helping to boost the shrinking number of tigers in the wild.

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