Frogs Are Disappearing. What Does That Mean? - The New York Times

Where have all the frogs gone?

Link to Global Warming in Frogs' Disappearance Is Challenged - The New York Times

Strange Death of Ancient Frogs in Prehistoric Swamp Solved, What Caused The Genocide?

New Species of Frogs Disappearing as Fast as They're Found

The Silent Demise of a Species – DW – 04/09/2013

Frogs Are Disappearing. What Does That Mean? - The New York Times

About to croak; Where are the frogs going?, by James Winter

Species, Interrupted - Why it Matters When Extinction Silences a Tree Frog - The New York Times

Frogs: Inside Their Remarkable World: Beltz, Ellin: 9781554075027: : Books