The death throes of the tree, perhaps, followed by an explosion of new life in its shadow.
Evolution proceeds in recognizable patterns in response to the new conditions created by an endless, essentially infinite number of chance occurrences. These closely-observed landscapes manifest both the chaos and the miraculous success of natural selection.
I approach these scenes with both a sense of awe at the struggle to survive and flourish, as well as an intense wonder at the perpetually unfolding beauty of the world.