- Fire(place)
- Ebb and flow of water at shorelines
- water droplets dropping
- winds
- storms
- fish swimming
By ambient, i mean something that is both stochastic and also sort of repetitive and something you could have happening in the background that is enjoyable in a furniture music/video kind of sense. You dont really pay attention to it but its good company that prevents deathly silence if that makes sense
Late summer wind in trees: the sound made by the leaves. I specified late summer because as the season progresses the leaves get less soft and make more sound, at least in my part of the world.