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Frogs
Frogs
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190Mil BC |
Fossils of frogs date back to about this time. Links: Frogs, HistoryBC 
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1960 Aug 23 |
World's largest frog (3.3 kg) was caught in Equatorial Guinea. Links: Eq. Guinea, Frogs
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1973 |
The gastric brooding frog (Rheobatracchus silus) was discovered in southeastern Queensland. The female frog swallows her eggs which then develop in her stomach and come up fully formed from her mouth. Links: Australia, Frogs
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1973 |
In South Korea the government imported live bullfrogs as a meat supplement. The frogs thrived but did not catch on with diners. In 1997 a bullfrog eradication program was established. Links: South Korea, Frogs
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1976 |
US scientists at the NIH isolated a poison from the skin of the Ecuadorian frog called Epibpedobates tricolor and found that an extract from it could block pain 200 times more effectively than morphine. Links: USA, Medical, Frogs
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1977 |
France banned frog fishing to protect the local green and red varieties. Poaching remained a problem. Links: France, Frogs
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2002 Jun 2 |
It was reported that atrazine, a commonly used herbicide made by Sygenta AG of Switzerland, had been linked to cancer in humans and deformities in frogs. US farmers sprayed over 60 million pounds of it each year. Links: Switzerland, Environment, Medical, Frogs
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2003 Oct 17 |
A new family of frogs was reported from the western India. The purple, burrowing frog family, named Nasikabatrachus sahydrensis, appeared to date back some 200 million years. Links: Biology, Animal, Frogs
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2007 Feb 15 |
Scientists gathered in Atlanta, Ga., to find a way to stop a fungus killing the world’s frogs. Up to 170 species have gone extinct in the past decade. Links: GeorgiaUS, Environment, Animal, Frogs, Extinction
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2007 Aug 7 |
Scientists reported that a widespread die-off of frogs, toads and salamanders is primarily due to the chytrid fungus, Batrachochytrium dendrobatidis. Global climate change was believed to encourage the spread of the fungus. Links: USA, Microbiology, Frogs
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2008 Jan 3 |
Sir David Attenborough told the Independent that between a third and half of the world's 6,000 amphibian species could be wiped out in the next few decades by a species chytrid fungus. Links: Environment, Microbiology, Frogs
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2010 Mar |
Research at UC Berkeley found that a significant percentage of male frogs changed to females after ingesting small doses of a herbicide called Atrazine. Scientists at Sygenta AG, the largest manufacturer of the chemical, assailed the report as flawed. Links: USA, Switzerland, BioTech, SF Bay Area, Frogs
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2010 May 26 |
In Greece a horde of frogs caused a two-hour closure on a major highway near the city of Thessaloniki. The city's traffic police chief said that the "millions" of frogs were probably looking for food. Links: Greece, Frogs
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2010 Aug 24 |
Researchers in Japan reported the creation of a highly accurate sensor that can detect smells and gases using genetically engineered frog eggs. Links: Japan, BioTech, Frogs
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2012 Mar 13 |
It was reported that the chytrid fungus has spread to nearly 600 species of frog and has probably driven over 200 species to extinction. SF State Univ. biologist Vance T. Vredenburg called it the “worst population crash of animals in history.” Links: USA, California, Microbiology, Frogs, Extinction
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2014 May 8 |
Indian scientists reported the discovery of 14 new species of so-called dancing frogs in the jungle mountains of southern India — just in time, they fear, to watch them fade away. Links: India, Frogs
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