The University of Minnesota Lion Project has been studying lions in Tanzania’s Serengeti National Park for forty-five years. They’ve now decided to learn about the behaviour of the other species in the park. To do this they’ve set up 225 “camera traps” throughout the park, primed to grab snapshots when anything warmer than the surrounding environment triggers the sensors.
As you might imagine, the cameras that survive ants, elephants, hyenas and rain result in a lot of photographs. Because they’re scientists, the lion project people want to classify the photos — no science without counting. But no counting without identification, . . . [more]