Up in Tanzania’s Ukaguru Mountains, researchers have found a new-to-science frog species with a unique trait: it doesn’t make a sound. The small, silent Ukaguru spiny-throated reed frog (Hyperolius ukaguruensis) doesn’t croak, chirp, sing or ribbit. “It’s a very odd group of frogs,” said Lucinda Lawson, a conservation biologist and assistant professor at the University … Continue reading No croak: New silent frog species described from Tanzania’s ‘sky island’ forests