"Upside-down spawning is the most remarkable behaviour in this frog. No other frog is known to lay terrestrial eggs inside tree holes in an upside-down position," said Professor Biju, currently a ...

In the Andaman islands straddling India’s east coast, a species of frogs mate and lay their eggs while upside down, a new study has found. Both the male and female Charles Darwin frogs position ...

In the Bay of Bengal’s Andaman archipelago, a type of amphibians — the Charles Darwin frogs — have developed a unique way of mating and laying eggs upside-down to avoid attacks from ...