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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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"My blog is carbon neutral" is an initiative by the Arbor Day Foundation to plant trees in Plumas National Forest in Northern California. The goal is to reforest 5,500 acres with 792,000 trees.
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Do you do fieldwork or amphibian research with a zoo, environmental organization, university, or government agency? If so, please consider writing a guest post for us about your work (@300 words). Email it to us at: info@frogsaregreen.com.

One of the Smallest Frogs in the World Discovered

August 31st, 2010
A pea-sized frog species, Microhyla nepenthicola, was discovered this past week in Malaysian rainforests on the island of Borneo. This miniature frog, measuring between 10 to 12 millimeters (less than one-half inch), is the smallest frog species discovered so far in Asia, Africa, or Europe. The tiny frog is a type of frog called a microhylid, composed of mini-frogs under 15 millimeters. The discovery was made by Drs. Indraneil Das of the Institute of Biodiversity and Environmental Conservation and Dr. Alexander Haas of Biozentrum Grindel und Zoologisches Museum of Hamburg.

Photograph courtesy Indraneil Das, Institute of Biodiversity and Environmental Conservation

The tiny frogs were found near pitcher plants, which grow in damp, shady forests. The frogs deposit their eggs on the sides of the globular pitcher, and tadpoles grow in the liquid accumulated inside the plant.

What is the world’s smallest frog? Two 9.8-mm-long amphibians in the New World—the gold frog in Brazil (Brachycephalus didactylus) and the Monte Iberia dwarf frog(Eleutherodactylus iberia) in Cuba are believed to be the world’s smallest frog species. They are about the size of a house fly—very tiny frogs indeed.

For more information, see:Conservation International

Back to School: Alternatives to Frog Dissection

August 25th, 2010

Note: this is a rerun of last year’s frog dissection post, updated with new information.

Remember that scene from E.T. when Elliott frees all frogs in his science class? Elliott reminds me of my younger son Tim, who probably would have done the same thing (without being inebriated)!

This past weekend, Tim returned to college, where he is thinking of minoring in biology. He brought up an interesting issue: Would he be required to dissect an animal even if it is against his beliefs? Are alternatives provided for these students?

When I was a student, I didn’t have a choice. In both junior high and high school, I dissected a fetal pig. Each student had his/her own animal to dissect.

But with the rise of animals rights groups, PETA being the most visible, I wondered if times had changed. Do students have a choice? Are there alternative ways for students to learn about anatomy that don’t harm animals?

I discovered a site called Dissection Alternatives (Physicians Committee for Responsible Medicine) that explores these issues and offers lots of practical solutions. I was surprised to learn that research has shown that animal-friendly alternatives to teaching students about anatomy and biology are just as effective as the traditional methods of dissection. Computer software can now provide detailed, sophisticated graphics, interactive features, videos, and in-depth accompanying text to help students learn about anatomy.

I was also surprised to learn that the majority of medical schools often use these alternatives rather than traditional animal dissection. In addition, The National Science Teachers Association recently amended its official position statement on animal use, approving the use of non-animal alternatives as replacements for dissection.

Dissection Alternatives sponsors the Cut Above Awards, which honors teachers and students who have taken great leaps to adopt humane alternatives to dissection.

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Dissection Alternatives provides information about the following:

PETA also created a site to address dissection alternatives called TeachKind, which is loaded with information, and includes a video demonstration of Digital Frog 2.5.

Virtual Reality Frog Dissection Software:

Digital Frog 2.5

V-Frog (from Tactus Tech).

Froguts

Operation Frog (Scholastic)

Neotek Dry Lab Frog

iPad/Ipod frog dissection apps

Emantras Frog Dissection App  (available from iTunes store).

If you have thoughts about animal dissection, or have experience using these or other dissection alternatives, please leave us a comment!

Back to School at FROGS ARE GREEN!

August 18th, 2010

It’s back-to-school time and we’d like to introduce you to a few notable children’s books about frogs and other amphibians published recently:

THE FROG SCIENTIST by Pamela S. Turner, photographs by Andy Comins (Houghton Mifflin, 2009)

Dr. Tyrone Hayes, with his children, reads a book his mother gave him as a child, from THE FROG SCIENTIST. Photo copyright Andy Comins.

This book, part of the Scientist in the Field Series, is a biography of frog scientist Dr. Tyrone Hayes at UC-Berkeley, who has done groundbreaking studies about the effects of atrazine, a widely used herbicide, on frogs.  While the book is mainly a biography of Hayes, it is also a good overview of the global amphibian crisis and it includes an easy-to-understand explanation of the scientific method. The book has a lively, engaging design and many wonderful photos. It would be ideal for kids who are at that age (around 10 or so) when they decide that “science is boring.”

Dr. Hayes is an engaging subject for a biography, and the anecdotes about him are refreshing for this type of book (which can often be dry). A whole unit could be planned around THE FROG SCIENTIST, covering such topics as a science as a career, African Americans in science, the global amphibian decline, the scientific method, to name just a few.

A PLACE FOR FROGS by Melissa Stewart, illustrated by Higgins Ford (Peachtree 2009).

A PLACE FOR FROGS by Melissa Stewart, illustrated by Higgins Bond

For younger children (@5-8), this nonfiction picture book introduces different species of frogs and places them in their habitats. Each oversized double-page spread features a frogs species, their habitat, and shows some of the ways that human action and interaction can affect frog populations.

For example, one spread describes the Sierra Nevada Yellow-legged frog and its habitat, and explains why adding trout to the frogs ponds caused their decline (the trouts devoured the tadpoles). When people removed the trout, the frog populations began to recover. The frog and its habitat is depicted in gorgeous realistic paintings and is described in easy-to-understand language.

A Place for Frogs could be used for teaching kids about animal habitats (this author/artist team also did A Place for Butterflies and A Place for Birds). It could also be used in a unit about endangered animals, a unit devoted to frogs and amphibians, or it could be read as a springboard to study a local endangered frog in more detail, depending on where the school is located.

Big Night for Salamanders by Sarah Marwil Lamstein, art by Carol Benioff (Boyds Mill, 2010).

Illustration from BIG NIGHT FOR SALAMANDERS by Sarah Marwil Lamstein, art by Carol Benioff

In this narrative nonfiction picture book, a boy waits for the Big Night, the first rainy night in late winter or early spring when the blue-spotted salamanders begin their annual migrations. The salamanders must travel from their forest burrows to vernal pools, where they breed and lay eggs. The problem is the salamanders must cross a busy highway to reach the vernal pools. The boy, along with other volunteers, helps the salamanders cross the road. A parallel text in italics describes the migration of salamanders.

This is a lovely simple story about how one boy helps an endangered species close to home. It is illustrated in richly-colored gouache. At the back is information about the life cycle of blue-spotted salamanders, as well as information about the Big Night and vernal pools.

Big Night for Salamanders would be a good read-aloud book for younger children. It could also be used in units about the life cycles of animals, and about species whose habitats are threatened. Teachers could read this book in the spring and plan a field trip to a local vernal pool.

Don’t forget about the FROGS ARE GREEN ART CONTEST FOR KIDS! Please download and print out this flyer to tell kids about the contest.

Many thanks, and a red-eyed tree frog for you (rerun)

August 13th, 2010

Susan and I are hosting family and friends this week and so will be re-running a few posts from this past year. It’s been a HOT summer in the NYC area. We thought we’d re-post a holiday post to remind us of cooler days ahead. Also, if you’re a teacher this is a nice little poster to put up in your classroom in September. This post is originally from November 2009.

We have a lot to be grateful for at FROGS ARE GREEN. We’ve received over 10,000 visitors since we started the blog back in May. (Update: we are now up to 4500 visitors a month!). We are so grateful for your comments and for your participation in our blog.

As a token of our thanks, Susan designed a poster of our mascot, the Red-Eyed Tree Frog, that you can download and print out for FREE (in three different sizes). We hope you enjoy it and will put up a copy at your home, school, or office to spread the message about our amphibian friends.

Don’t forget to check our galleries of our photo contest photos, wonderful frog art from kids, and photos of wild backyards! (Click on the pictures in the right column of the blog. Feel free to send us your pictures to be included, too!)

Click here and it will take you to the download page.

red-eye-frog-poster-blog-sm

Update 8/10: We have two contests going on right now—a photo contest and a kids’ art contest. Summer is a good time to take pictures of frogs and to do some drawing, so please consider entering! See Contest link at top of page.