An intelligent life form on a water planet may find a water dance that incorporates motions reminiscent of self defense maneuvers during strong tides, finding a catharsis in reliving and resolving the anxieties this situation presents for them. An intelligent life form that can take flight and is devastated when unable to do so may incorporate entertainment that includes a flightless member being protected or sheltered in some manner by the others in the flock. Hominoid cultures regularly reflect the various emotions engendered by their dexterous ability to manipulate their circumstances. Mystery novels replete with motives and clues, all possible for hominoids who can manipulate their environments in intricate and varied ways. Most certainly, as where there is intelligent life circumstances will be reflected in a culture.
All intelligent life is thus cultured.