yacaré

The Yacare Caiman (Caiman yacare, Jacaré in Portuguese) is a species of caiman found in central South America, including northern Argentina, eastern Bolivia, south-west Brazil (especially in the Pantanal marshland), and the rivers of Paraguay. They grow to about 2 to 3 meters and have a diet of fish, molluscs and crustaceans 
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n. (Latin America) alligator, broad-snouted variety of reptile belonging to the crocodile family (found in the the southeastern U.S. and eastern China)

(n.)
A South American crocodilian (Jacare sclerops) resembling the alligator in size and habits. The eye orbits are connected together, and surrounded by prominent bony ridges. Called also spectacled alligator, and spectacled cayman.