yacare caymans, caiman crocodilus yacare jacare, in the grassland of pantanal wetland, corumba, mato grosso sul, brazil

adult alligator amazon america animal argentina brasil brazil brazilian caiman caymans close closeup crocodile crocodilus danger dangerous environment eye feed grassland green head hunter jacare marsh mouth nature pantanal predator reptile river skin snout south teeth travel tropical water wetland wetlands wild wildlife yacare