The next time you declare that you are “freezing to death,” spare a thought for the wood frog who gets so cold in winter that its heart stops beating – but it does not die. Once the spring thaw ...
The Panamanian golden frog, or Atelopus zeteki, is a small frog-like toad native to Central Panama. They are bright yellow with black spots on their backs. The bright coloring is aposematic, which is ...