Is it natural? – Is this some kind of strange conspiracy? Scientists are studying monogamy because they want to know why couples do (or don’t) stay together for a long time. They’ve found some frogs that might show them the answers.
The first monogamous amphibian, the Peruvian poison frog) has been discovered living in the rainforest of South America. In this species, male and females remain utterly faithful. This is due to just one thing: the tiny pools of water in which they raise tadpoles prevents the frogs from straying.