A new species of frog has been found hiding in plain sight in one of the busiest places on Earth: New York City. For years, biologists mistook the frog for a more widespread variety of leopard frog. This one, however, prefers not to stray far from the Big Apple and has an unusual croak. The frog lives in the city's ponds and marshes — sometimes within view of the Statue of Liberty — so uncovering the frog's true identity was a surprise for scientists. The mottled green creature was for years mistaken as belonging to a widespread variety of the leopard frog. But now scientists realize this is new. "For a new species to go unrecognized in this area is amazing," UCLA biologist Brad Shaffer said Wednesday. New York is surrounded by wetlands and other nature-filled areas. But this latest urban creature appears to have chosen one of the grittiest corners as the center of its habitat: Yankee Stadium in the Bronx. In the journal Molecular Phylogenetics and ...