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A new global assessment has found that 41% of amphibian species that scientists have studied are threatened with extinction, meaning they are either vulnerable, endangered or critically endangered. “Amphibians are the world's most threatened animals,” said Duke University's Junjie Yao, a frog researcher who was not involved in the study. But a growing percentage of amphibian species are now also pushed to the brink by novel diseases and climate change, the study found. The study identified the greatest concentrations of threatened amphibian species in several biodiversity hotspots, including the Caribbean islands, the tropical Andes, Madagascar and Sri Lanka. Other locations with large numbers of threatened amphibians include Brazil’s Atlantic Forest, southern China and the southeastern United States.
Persons: , Duke University's Junjie Yao, Michael Ryan, Patricia Burrowes, Juan Manuel Guayasamin, Guayasamin Organizations: University of Texas, National Museum of Natural Sciences, Northern, University San Francisco, Associated Press Health, Science Department, Howard Hughes Medical Institute’s Science, Educational Media Group, AP Locations: Madrid, Quito, Ecuador, Madagascar, Sri Lanka, Forest, China, United States
CNN —It’s hard not to feel a little sorry for the Ecuadorian capital of Quito. Singular churchesInside the Spanish colonial church of San Francisco in the city center of Quito. The museum even puts on a variety of shows, including a karaoke night of traditional Ecuadorian song. It’s especially busy at lunchtime when it fills to capacity with locals looking to indulge in affordable traditional Ecuadorian cuisine. Guided toursMetropolitan Touring’s “Live Quito Like a Local” walking tour is great for visitors with only a day or two to explore Quito.
Their delicate, greenish transparent forms don’t cast shadows, rendering them almost invisible to birds and other predators passing overhead or underneath. But when northern glass frogs wake up and hop around in search of insects and mates, they take on an opaque reddish-brown color. “When they’re transparent, it’s for their safety,” said Junjie Yao, a Duke University biomedical engineer and study co-author. A male glass frog photographed from below using a flash, showing its transparency. “Transparency is super rare in nature, and in land animals, it’s essentially unheard of outside of the glass frog,” White said.
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