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In just 40 samples, we detected 49 species spanning mammal, bird, amphibian, reptile and fish, in the Rainforest House( at Copenhagen Zoo in Denmark) we even detected the guppies in the pond, the two-toed sloth and the boa. When sampling air in just one outdoor site, we detected many of the animals with access to an outdoor enclosure in that part of Copenhagen Zoo in Denmark, for example kea, ostrich and rhino.