Seven Habits of Highly Effective Toads (4 of 5) (IMAGE)

American Association for the Advancement of Science (AAAS)

Seven Habits of Highly Effective Toads (4 of 5)

Caption

These are examples of species at the lower end of the spectrum of range-expansion abilities. This is an Atelopus cruciger, adult, a riparian species. This image relates to an article that appeared in the February 5, 2010, issue of Science, published by AAAS. The study, by Dr. I. Van Bocxlaer at Vrije Universiteit Brussel in Brussels, Belgium, and colleagues, was titled, "Gradual Adaptation Toward a Range-Expansion Phenotype Initiated the Global Radiation of Toads."

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Image courtesy of Science/AAAS

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