but rabinowitz... >> rabinowitz: its head is right there. amazing. see it?ful. see it? isn't that something? this gives you the real gut feel of the secretive nature of this animal. there's no sign of defeat in its face. >> simon: at dawn the next day, we went looking for jaguars again. one of our spotters tried to tempt the cats out of the jungle, but his simulated mating call... ( cooing sound ) >> simon: ...just didn't do it. but it might have appealed to anacondas. this fellow is medium sized, according to the spotters. nine feet long. then, we went up a small river that looked like an aquatic garden of eden. no jaguars here, either, but an extraordinary assembly of birds... and others. we saw a family of very rare giant river otters, basking in the sun after a morning of fishing and swimming. we saw the world's largest rodents-- unflappable hundred- pound capybaras, a favorite dish of jaguars. jaguars like caiman, as well. this caiman was having lunch. this one had been somebody else's lunch, probably a jaguar's. >> steve winter: small. it's a young jag