A television station says the $50-per-couple, adults-only event at Binder Park Zoo - dubbed "Zoorotica" - is sold out and there's even a waiting list.
Visitors will receive champagne, hors d'oeuvres, a video presentation and a guided tour, including the homes of snow leopards, giraffes, zebras and various primates and reptiles. Some stops will be areas not usually open to the public.
The Battle Creek Enquirer reports that other zoos have offered similar programs - with cute names like "Woo at the Zoo" and "Jungle Love."
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