The unusual defense mechanism is described by Harvard's David C. Blackburn, James Hanken, and Farish A. Jenkins, Jr., in a forthcoming issue of the journal Biology Letters.
©David C. Blackburn |
Close-up of the foot of a living Trichobatrachus robustus showing the white bony claws protruding from the tips of the toes. |
"It's surprising enough to find a frog with claws," says Blackburn, a doctoral student in Harvard's Department of Organismic and Evolutionary Biology. "The fact that those claws work by cutting through the skin of the frogs' feet is even more astonishing. These are the only vertebrate claws known to pierce their way to functionality."
Comment: The dangers of climate change are real, but the standard global warming scenario as explained in the vast majority of media outlets leaves something to de desired. Read some comments on one of the most prominent of the global warming "demonologists" here:
Global Warming Demonology