 In 1947, David and Sigrid Fleay travelled with three platypuses to New York's Bronx Zoo.The platypuses were accommodated in a new platypussary at the zoo, designed to Fleay's specifications.During the Fleay's stay in the United States, Fleay inspected the modern methods of housing and feeding animals at a number of zoos including the New York Zoological Park, Staten Island Zoo, National Zoological Park in Washington and the Golden Gate Zoo in San Francisco.