...water quality, wildlife habitat and overall health of the environment. They're very important sentinels," said Sam Droege, a wildlife biologist and amphibian researcher with the U.S. Geological Survey's Patuxent Wildlife Research Center...

...the U.S. Geological Survey Biological Resources Division at the Patuxent Wildlife Research Center in Laurel, Md. Sam Droege is directing the effort, which to his knowledge is the first scientific conference to be held entirely on the Web...

...they've chosen the right depth to slow their metabolism. "Plants and animals have to deal with this all the time," said Sam Droege, wildlife biologist with the U.S. Geological Survey. "They have strategies. At some point, some run out of strategies...