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FROGS ARE GREEN!

For over 200 million years, ponds, marshes, grasslands, and rain forests have come alive with the calls of frogs. Yet these remarkable and colorful animals are declining at such a rapid rate that they are being called the Earth’s next dinosaurs. According to the IUCN Red List of Threatened Species, a third of the world’s amphibian species are threatened with extinction. To read more, click here!

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Archive for the ‘Climate change and frogs’ Category

The Amphibian Avenger – Lucy Cooke

Friday, April 2nd, 2010

We’re proud to feature guest blogger, Lucy Cooke, The Amphibian Avenger, who tells us about herself, what her mission is, and how we can all help.

amphibian-avenger-Lucy

I love frogs. I always have. As a small child I became fascinated by the miracle of metamorphosis, catching and studying tadpoles like a true proto frog geek. As an adult studying zoology at Oxford the astonishing diversity of amphibian life seemed to me to most eloquently illustrate the incredible adaptive power of evolution.

When I heard about the global amphibian crisis I was completely horrified and keen to do something about it. I discovered that most of my friends didn’t know that over a third of amphibians are going extinct or about the horrors of the Chytrid fungus. It made me aware of how little press amphibians get compared with birds and mammals so I decided that, as a writer and filmmaker, the best thing I could do would be to spread the word. So for the last few months I have been traveling around Latin America researching stories for a documentary on the crisis and writing a blog about my findings. I’ve been to some amazing places, met some inspirational characters, and discovered some truly awesome frogs. And it’s not over yet.

I started my trip by joining an expedition into the Patagonian wilderness with ZSL [Zoological Society of London] scientists to search for Darwin’s frog – the last of the gastric- or throat-brooding frogs left on the planet and the only species of animal (other than the seahorse) in which the male gets pregnant. After the eggs are fertilised the male gobbles them up and 8 weeks later he burps up baby frogs.

I was lucky enough to see and film a daddy Darwin’s frog carrying several tadpoles in his throat sack. It was one of the freakiest things I have ever seen – a mass of tadpoles wriggling in a frog’s belly – it looked like something out of the movie Alien. It gave me goose bumps to witness something so very special but sadly so very endangered. Darwin’s frog is threatened by habitat destruction and also the rampant spread of the Chytrid fungus. It would be a devastating loss to biodiversity for such an extraordinary animal to disappear off the planet.

Since then I have licked poison dart frogs in Colombia, visited infested frog farms in Uruguay and hunted mass murdering toads in Chile.

 But probably the most shocking story I have come across is that of the endangered Lake Titicaca toad, also known as the aquatic scrotum frog after its exceedingly wrinkly appearance. This monster of the deep has become the key ingredient for Peruvian backstreet Viagra. In downtown Lima I filmed juice bars where they put this toad in a blender and then drink it. A fashion which is pushing this unique amphibian to the brink of extinction.

Drinking frog frappe in downtown Lima from Amphibian Avenger on Vimeo.

I’ve still got Panama and Costa Rica to go and will be posting from these two countries that have already been forced to brave the first wave of Chytrid. So if you like frogs then follow my blog – I think you’ll enjoy my adventure. Frogs need champions to help raise their profile and the necessary funds to save them. So, please spread the word amongst your non-frog loving friends – it’s written not just for frog geeks and they may well learn something new and start to care about the little green guys nearly as much as me.

To follow Lucy’s adventure on her blog, click here.

A Field of Nightmares? Atrazine, Corn, and Frogs

Wednesday, January 20th, 2010

I’ve always had a sentimental attachment to cornfields—from the magical cornfield in Field of Dreams to the real cornfield across the road from a house I lived in during college years. My mother was born and raised in Iowa and I’m descended from farmers.

cornfield-medium

But chemicals, in particular Atrazine, used as herbicides on cornfields might be poisoning frogs (and people), and turning fields of dreams into fields of nightmares.  These herbicides run off cornfields into streams and rivers, and leak through the water-treatment process, contaminating groundwater and drinking-water supplies.

Last summer we blogged about the problems of Atrazine. Research by University of California, Berkeley professor  Dr. Tyrone Hayes, for example, has shown the effects this chemical—an endrocrine disruptor—has on frogs. It can cause birth defects and reproductive problems, including such bizarre deformities as male frogs with eggs in their testes. This past week, as reported in the Washington Post, new research at the University of Ottawa found that when exposed to Atrazine fewer tadpoles reached froglet stage. Atrazine appears to affect estrogen in humans as well and has been connected with ferility problems, cancer, and birth defects.

Warning in a Cornfield

Warning in a Cornfield

The EPA, under the Obama administration, has launched a review of the chemical that will continue until fall 2010. It will look closely at Atrazine and other endrocrine disruptors, which might result in tighter restrictions on their use. While this sounds hopeful, Atrazine’s primary manufacturer, Syngenta, has strong ties and influence within the EPA. (Atrazine is banned in Europe, where perhaps industry and government aren’t as closely intertwined as they are in the U.S.).

For more information, please see this PDF,  a report by the Land Stewardship Project and the Pesticide Action Network North America titled The Syngenta Corporation: The Cost to the Land, People, and Democracy.