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 ...

Of the group, 11 male frogs — each measuring under 3 centimeters — carried 33 tadpoles that were born ... are now kept in pairs inside dozens of glass tanks filled with moss and with ...

The birth of 33 frogs at the London Zoo has been hailed as a “landmark moment” in the ongoing battle to save an endangered species that was first described by Charles Darwin during his epic voyage on ...

Uniquely among amphibians, male Darwin’s frogs carry their tiny tadpoles inside their vocal sacs to protect them until they metamorphose into froglets. The dad then spits out a succession of ...

Southern Darwin's frog tadpoles grow up inside the vocal sacs of their fathers and are 'born' through their mouths as froglets. The brooding dads made an incredible 7,000-mile journey by boat ...

Southern Darwin's frog tadpoles grow up inside the vocal sacs of their fathers and are 'born' through their mouths as froglets. The brooding dads made an incredible 7,000-mile journey by boat, plane, ...