American Museum of Natural History
The mystery of a highly unusual Caribbean monkey has finally been solved. Xenothrix, a long-extinct primate, was so unlike any other living monkey that no one could agree what it was. Thanks to DNA analysis we now know that it is most closely related to South America's titi monkeys.
If you're wondering what types of mammals are present in a given area of wilderness, why not check for their DNA in animals that feed on their blood – leeches? That's what researchers from the American Museum of Natural History have done, with good results.