Gray Tree Frogs Freeze

Gray treefrogs are hard to see but easy to hear. Special thanks to our friend and naturalist John Howard for the amazing photos.

Our sources for this episode include:

• Gray Treefrog
  https://nationalzoo.si.edu/animals/gray-tree-frog
• Cope's Gray Treefrog (Hyla chrysoscelis)
  https://srelherp.uga.edu/anurans/hylchr.htm
• Gray Treefrog
  https://nhpbs.org/natureworks/graytreefrog.htm
• Science Around Cincy: Clara do Amaral – Frog Cryobiologist
  https://sciaroundcincy.com/2019/07/25/clara-do-amal/