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animal news - amphibians Global Extinction Threat to Amphibians A new form of fungus could partly explain the dramatic decline in all amphibian species throughout the world. An infection, the
chytrid fungus, has been found in frogs toads, salalmanders and newts
over six continents and is the first wildlife disease to have spread on
a global scale.
Common weedkiller is changing gender of Frogs A recent study by the University of California, Berkley has shown that a widely used herbicide is changing the gender of frogs. The North American study shows that Atrazine, a chemical used in many weedkillers has caused major changes in frog species. Male sperm counts have been dropped dramatically. And as with recent studies in river rish, species are changing from male to female. This is believed to be a major reason why there is a global decline in frog populations. Looking-Glass
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This article last updated or added to in: November 2002
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