Grazing cattle usually provide the juice, but you'll do. The leeches aren't too discriminating, and they're hungry. Real hungry. "What are we doing in the forest?" Oh, sorry. To get to the swamps ...

is valued enough to preserve its ecological character for recreational fishing, it supports a host of other wildlife besides just the fishes. Everything from snails and leeches to muskrats and ...

But leeches aren’t just useful at crime scenes. These creatures’ sanguineous appetites have also come in handy for scientists, who are hoping to use them to solve another mystery: the diversity of ...