Related topics: species · frogs

Amphibians infected by ranavirus found in Atlantic Rainforest

Researchers have found bullfrog tadpoles with clear signs of infection by ranavirus in Brazil. The specimens were collected from two ponds in the city of Passo Fundo, South of the country (state of Rio Grande do Sul), in ...

Environmental oxygen triggers loss of webbed digits

Free fingers have many obvious advantages on land, such as in locomotion and grasping, while webbed fingers are typical of aquatic or gliding animals. But both amphibians and amniotes—which include mammals, reptiles, and ...

The extinction crisis is 'unprecedented in human history'

A recent landmark United Nations report delivered an alarming assessment of the fate of animal life and biodiversity on Earth. According to the authors—145 experts from fifty countries—up to 1 million species are threatened ...

Frog fungus fights back

Amphibian populations have been declining around the world for more than 40 years. One culprit is the fungus B. dendrobatidis, which causes the disease chytridiomycosis.

Are otters threatening amphibian populations?

The Eurasian otter typically eats fish, but amphibians, which are in global decline, are also part of its diet, especially when fish are scarce. In a Mammal Review study, researchers identified bones of amphibians in otter ...

Even more amphibians are endangered than we thought

At least a quarter of the world's approximately 8,000 known species of amphibian are recognized as threatened and at risk of extinction. But due to a lack of data on many amphibian species, only about 44 percent of amphibians ...

Scientists warn of pandemic endangering amphibians

A deadly disease affecting amphibians has descended into a global pandemic that has already wiped out 90 species, a prominent US biologist warned Thursday at the World Organisation for Animal Health Aquatic Conference in ...

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