black cayman niger south america

alligator alligatoridae amazon america amniota amniote animal animalia bicho black blood brazil brazilian broadsnouted caiman cayman chordata cold creature criatura crocodile crocodilia ectothermic fang fauna fish horizontal hunter hunting jacare kajman latirostris melanosuchus nature niger oviparity pantanal para reptile reptilien reptilioj reptilis rettili river selvagem south species swans tropical vertebrado vertebrata vertebrate water wild wildlife young