Amphibious egg-laying of tree frogs discovered for the first time: a transition from aquatic to terrestrial birth

The yellow tree frog lays its eggs in the water.

According to the American Live Science website, when our ancient ancestors sought a living out of the water, they had to evolve the habit of laying eggs on land. Nowadays, a kind of tree frog can witness this mysterious and crucial moment of the transition from aquatic to terrestrial life. This small yellow Panamanian amphibian is the first vertebrate that can lay eggs in both water and land.