♪ at the edge of the everglades of cuba, a place called zapata swamp, 50 cents will let you dangle a chunk of catfish over a pile of cuban crocodiles. ♪ which is kind of fun because unlike their american cousins, they can leap like lebron james and bite through a 2-by-4 like it's celery. but it is also kind of alarming because this is a critical endangered species in the wild. yet cuba breeds them by the thousands in here and sells them as meat. of the few wild crocs left in the swamp, many have been getting busy with american crocodiles, diluting the purity of the gene pool. and here's where this creature becomes a metaphor for the whole