Examples of the behavior of 19 different carnivore species when interacting with the puzzle box. The species represented are listed in order of appearance: Red Panda (Ailurus fulgens), Binturong (Arctictis binturong), Grizzly Bear (Ursus arctos), White-nosed Coati (Nasua narica), Bobcat (Lynx rufus), Arctic Fox (Alopex lagopus), Polar Bear (Ursus maritimus), Black Bear (Ursus americanus), Snow Leopard (Panthera uncia), Pallas cat (Otocolobus manul), Striped Hyena (Hyaena hyaena), Spotted Hyena (Crocuta crocuta), American Badger (Taxidea taxus), Leopard (Panthera pardus), Amur Tiger (Panthera tigris), River Otter (Lontra canadensis), Maned Wolf (Chrysocyon brachyurus), Wild Dog (Lycaon pictus), and Wolverine (Gulo gulo).