The purple frog also relies on its sense of smell more than other senses because it is essentially earless. Unlike other frog species, the purple frog lacks a tympanic middle ear, using scent and ...

Discover Earth's rarest purple animals—from the elusive purple frog to the dazzling violet-backed starling. Learn what makes ...

California Academy of Sciences Executive Director Gregory Farrington on purple frogs, chief penguins and (hobby)horses By Sophie Brickman, Chronicle Staff WriterJuly 3, 2011 A Blinky, hobby horse ...