close up of yacare caiman, caiman crocodilus yacare jacare, in the grassland, pantanal, porto jofre, mato grosso, brazil

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