One upside: Very few lions.

It’s a bit of a blow to the ego to learn that humans make up only about 0.01 percent of the planet’s biomass by dry weight. Compared to other mammals, we totally score though. We’re more than a third of total mammal mass while all wild mammals together are about four percent. The rest, about 60 percent, is mostly our cows and pigs. Remember, this is mass, not a headcount, and cows are big and squirrels are small. But still. There’s barely enough giraffes left to populate Dubuque, Iowa, which is a pleasant thought although the ceilings are pretty low.