Perhaps it stirs a deeper human longing for peace and harmony. If two creatures of disparate species, genera, and orders can coexist peacefully -- even in mutual symbiosis -- then so can we all get along within our own species. Black and white; Democrat and Republican; Israeli and Palestinian; holding hands and living side by side in a spirit of love and affection.
Or maybe it's just really freaking cute watching a deer lick a cat.
