If Aki is a typical dog, they have no interest in a raindrop’s sparkle or light shinning yellow through a translucent devil’s club leaf. She reacts to sudden movement, like a squirrel’s scamper or dark shapes that could be bears. Why am I drawn to nature’s bling? If I look at clumps of Oregon grapes, my eye is drawn to the light collected in the remnants of the last rain shower that cling to single grapes. What evolutionary purpose is served by making me a sucker for sucker for nature’s shiny things? shower that clings to a single grape. What evolutionary purpose is served by making me a sucker for nature’s shiny things?