Frogs: The Thin Green Line

Amphibians have been on the planet for more than 360 million years, but suddenly they're slipping away.

From Australia to Panama, 1/3 of the world’s amphibians are threatened with extinction. It’s being called the greatest mass extinction since the dinosaurs. Ecosystems are beginning to unravel, important medical cures are vanishing, and we're losing a dear, old friend.

As one of the greatest environmental crises of our time unfolds, citizens and scientists are rushing to stem the tide before the next frog crosses the thin, green line.

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Magnificent footage of frogs and toads, many of them endangered. This award-winning film is a celebration of amphibians - and an exploration into why they are disappearing.

On the tip of Cape Cod, each spring Spadefoot Toads sprout from the sand like strange flowers. Endangered, these little toads get some help from the locals.



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Writer, Producer, Editor & Director
Allison Argo

Andrew Young

Tom Phillips

Josh Otte
Susan Todd
Ruby Wells

Production Assistants
Josh Cassidy
Laura Gill
Natalie Hill
Ryan Killackey
Diane Toomey
Ruby Wells

Jed Schwartz

Additional Camera
Steve Romano
Chris Szwedo

Colorist & Online Editor
Dave Allen

Re-recording Mixer
Ed Campbell

Sound Editor
Jim Sullivan

Allison Argo

Series Producer
Bill Murphy

Executive Producer
Fred Kaufman

Special Thanks
New South Wales Department of Environment and Climate Change
The Nature Conservancy
National Park Service
Cape Cod National Seashore
Yosemite National Park
Sierra Nevada Aquatic Research Lab
Amphibican Chytrid Maps
D. Olson, K. Ronnenberg - US Forest Service
M. Fisher - Imperial College, UK
University of MD, College Park
Burbayar Jungle Lodge, Panama
Amphibian Ark
Robert Cook
Ron Gagliardo
Jeff Mauer
James Nielson
Damen Oscarson
Brad Timm