In a season in which the entire Christian world is celebrating a virgin birth and a whole lot of other people who don’t believe in the story are still getting into the spirit, it’s worth remembering that humans don’t hold the monopoly on immaculate conception. At least some other species have long counted on it to keep their gene line going. The biological mechanics are different for every one of them, and while none of the techniques sounds like much fun, they at least don’t lead to awkward conversations if the relationship doesn’t work out.