It's a small critter, but it's spawning a national movement. (Sound of frog call) With more than 240 species in Australia, each with a unique call, chief scientist Dr Jodi Rowley has helped ...

the guilty amphibian is the diminutive wood frog (aka Lithobates sylvaticus ... when the quacking sound of wood frogs first met my ears. Our Northbrook property is bordered by railroad tracks ...