gandalf_der_12teSea Level
TwippedWinter is kinda wild too. The fact that the planet is tilted just enough to make it cold part of the year, but not so cold that it kills everything, and many plants and animals have integrated this into their life cycles.
If it were tilted differently (within reason), then different life would have evolved.
Life exists in the places here that only get one day a year. Once it gets started it fits itself into every niche. The only question is how hard is it to get started.