caiman, yacare caiman, crocodiles in river surface, evening with blue sky, animals in the nature habitat. pantanal, brazil. caiman

alligator amazon america animal animals aquatic blue brazil caiman catch cayman close colombia crocodile crocodiles danger dangerous detail devour evening eye feed fish food green habitat head hunter leather level light mouth muzzle nature pantanal piranha portrait power predator reptile river skin sky snout south sun surface tooth tropical water wild wildlife yacare yellow