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Researchers find new giant amphibian fossils in Africa

Two new 250 million year-old species of large, meat-eating amphibians have been discovered by researchers, including investigators from McGill University. Their findings published in today's issue of Nature, describe the first and oldest amphibious carnivores from the Republic of Niger in West Africa. "This the first evidence of carnivores in this area," says McGill paleontologist, and co-...

Roundup®highly lethal to amphibians, finds University of Pittsburgh researcher

The herbicide Roundup® is widely used to eradicate weeds. But a study published today by a University of Pittsburgh researcher finds that the chemical may be eradicating much more than that. Pitt assistant professor of biology Rick Relyea found that Roundup®, the second most commonly applied herbicide in the United States, is "extremely lethal" to amphibians. This field experiment is one o...

New amphibian species result from exploration, not from rule changes

Researchers have discovered amphibian species at an accelerating rate in recent decades, with over 1,000 new ones recognized between 1992 and 2003. At the same time, amphibians are, for reasons not entirely clear, declining more rapidly than either mammals or birds, underscoring the importance of an accurate evaluation. An analysis published in the August 2005 issue of BioScience, the mont...

Climate change drives widespread amphibian extinctions

Results of a new study provide the first clear proof that global warming is causing outbreaks of an infectious disease that is wiping out entire frog populations and driving many species to extinction. Published in the Jan. 12 issue of the journal Nature, the study reveals how the warming may alter the dynamics of a skin fungus that is fatal to amphibians. The climate-driven fungal disease...

African amphibians make extreme parental sacrifice: The skin off their backs

Just as baby mammals depend on their mothers' milk, the young of the African amphibian Boulengerula taitanus nourish themselves by stripping off and eating the fat-rich outer layer of their mothers' skin, according to an international team of researchers that includes University of Michigan biologist Ronald Nussbaum. The findings are reported in today's issue (April 13) of the journal Natu...

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Global Warming Will Result In the Extinction Of Amphibians

A fungal disease in frogs caused by global warming is resulting in the death of entire populations, and also driving them closer to extinction. The threat to biodiversity // as a result of emerging infectious diseases may also result in danger to human beings. The study published by the journal Nature, reveals how the warming may alter the dynamics of a skin fungus that is fatal to am...
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