A friend of mine on another forum found this snake near his house on the Pacific coast of Nicaragua. Do any of you have a clue what it could be? Looks Colubrid-ish to me. Seems to like climbing and he says it "rattles" it's tail when threatened...Obviously not a Rattlesnake though. Some kind of Rat Snake maybe? Almost has a Corn Snake look too.
These are his photos...Not mine.
Please let me know your thoughts.