We had the opportunity to make another excursion by boat on a river further to the west. Rio Frio runs north into Nicaragua, and is circled on the left on the map in photo 1. . Our transportation was the larger type craft shown in photo number 2 (actually the same size boat we used on our 26 mile trip to Tortuguero). We saw more Howler monkeys (4 through 8), a curious green lizard (16) that walks on water, and another caiman (17). Oh, yes, the guide circled a few yards into and out of Nicaragua just for the fun of it. He said the patrols are another mile or so down river.