The largest zoo in the UK welcomed an adorable new addition when a new Southern white rhino calf was born before sunrise Aug. 21. Zookeepers were “delighted.” After Southern white rhino mom Tuli’s 16-month pregnancy, staff at the Zoological Society of London’s Whipsnade Zoo monitored her stool, checking hormone levels as they were expecting a new baby within a couple of days. It was 4 a.m. on a Saturday when 14-year-old Tuli gave birth to her healthy female calf in an indoor part of the enclosure that had been reserved for her use. The baby was named Nandi by zookeepers, which means “Sweet One” in Zulu. She joins her mom and dad, Sizzle, as part of the zoo’s herd (also called a “crash”) consisting of eight Southern white rhinos. (Courtesy of ZSL Whipsnade Zoo) “We are overjoyed to be welcoming such a precious addition to our ‘crash’ of Southern white rhinos …