Historic numbers of animals across the globe have become endangered or pushed to extinction. But some of these species sit in limbo — not definitively extinct yet missing from the scientific record. Rediscovering a "lost" species is not easy. It can require trips to remote areas and canvassing a large area in search of only a handful of animals. But new technology and stronger partnerships with local communities have helped these hidden, "uncharismatic" creatures come to light.
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The Food and Drug Administration found dead and live rodents, and their feces and urine. More than 1,200 rodents were exterminated after fumigation at the warehouse, which serves more than 400 stores.
The hormone oxytocin plays a key role in long-term relationships. But a study of prairie voles finds that the animals mate for life even without help from the "love hormone."
