| cryptic diversity in metropolis: confirmation of a new leopard frog species (anura: ranidae) from new york city and surrounding atlantic coast regions. | we describe a new cryptic species of leopard frog from the new york city metropolitan area and surrounding coastal regions. this species is morphologically similar to two largely parapatric eastern congeners, rana sphenocephala and r. pipiens. we primarily use bioacoustic and molecular data to characterize the new species, but also examine other lines of evidence. this discovery is unexpected in one of the largest and most densely populated urban parts of the world. it also demonstrates that new ... | 2014 | 25354068 |