In Ecuador and elsewhere in the region, copper- and gold-mining operations are deforesting habitats and polluting streams that the glass frog tadpoles need with sediment and toxins such as mercury ...

Scientists have discovered how to identify frogs from their tadpoles in a step towards saving amphibians from extinction. Conservation efforts to protect the breeding grounds of endangered frogs ...

It will guard them for two weeks until the tadpoles hatch and drop into the stream below ... The behaviour and transparency of glass frogs have always fascinated Ingo, so he travelled to Costa Rica in ...