Where's the bear?

Facing a daunting, digital pile millions of photographs high, how would you find the few images you need? It's a classic needle-in-a-haystack conundrum, and it's a blaring reality for ecologists, resource managers, and farmers who use camera traps to track wildlife. Consider Sedgwick Ranch Reserve, part of UC Santa Barbara's Natural Reserve System. A sprawling 6,000 acres, the protected land used for research and teaching is a veritable nirvana for animals of all kinds. Mountain lions and black bears and deer, oh my.