Among the rarest animals to inhabit the wetland of the Pantanal are the marsh deer ("Blastocerus dichotomus") and the giant river otter ("Pteronura brasiliensis"). Parts of the Pantanal are also home to the following endangered or threatened species: the hyacinth macaw ("Anodorhyncus hyacinthinus") (a bird endangered due to smuggling), the crowned solitary eagle, the maned wolf ("Chrysocyon brachyurus"), the bush dog ("Speothos venaticus"), the South American tapir ("Tapirus terrestris") and the giant anteater ("Myrmecophaga tridactyla"). Common species in the Pantanal include the capybara ("Hydrochoerus hydrochaeris"), Ocelot "(Leopardus pardalis)" and the yacare caiman ("Caiman yacare"). According to 1996 data, there were 10 million caimans in the Pantanal, making it the highest concentration of crocodilians in the World.