Greene, H. 1987 26 November (continued) two felids in the swamps, at least one large enough to be Panthera onca or Felis concolor. At approx 1200 hrs we heard a crashy in a banana tree beside the sidewalk and saw the largest, darkest fastest wild Nasua narica I have ever seen - it clambered to the ground, then ambled off leisurely w/ tail up (this was just E. of the [illegible] Bridge). At approx 1330 hrs took pictures of the ♀ Bothrops asper - she still in same place. At 1729 hrs - still barely light, even in forest, she is out alert in the "hunting site". At 2009 hrs she is in the same spot - both nights head has been in same orientation to surroundings and the neck is in a sharp S-coil. At 2150 hrs, a Micrurus microstictus crawling at moderate speed off the trail at CES O (forest edge). As soon as I gently restrained it w/ my foot the snake thrashed, bit repeatedly, tail displayed, and crawled very rapidly. When I gained the head in my hand it tried to spin, muskled, and repeatedly poked w/ the tail spine. Very hard to hold. Tail was often in a loose ring w/ tip overlapping, but never in a tight perfect coil. I was impressed by how hard it was to discern its bodily orientation, and how the tail spine was a "threat" - first reaction was to jerk away from it (??). ♀ Bothrops asper still hunting at approx 2200, not disturbed. Today was Thanksgiving, and