It helps refine the evolutionary timeline and adds to the understanding of the origins and endurance of the biphasic life cycle seen in frogs today. "Until now, no tadpoles were known for such ancient ...

All tadpoles grow into frogs, but not all frogs start out as tadpoles, reveals a new study on 720 species of frogs. The new study uncovers the surprising evolution of life cycles in frogs. All ...

In one of the tallest rain forests in the world, scientists have discovered a fanged frog that gives birth to live tadpoles. Of the 6,455 known species of frogs on our planet, it is the only one to ...

An artist depicts the tadpole and frog individuals of the Notobatrachus degiustoi species. The oldest known tadpole fossil, which belongs to this species, was found in the Patagonia region of ...

The Eiffinger's tree frog (Kurixalus eiffingeri), found on Ishigaki and Iriomote islands in Japan, has a unique biological adaptation: its tadpoles do not defecate during their early developmental ...

The discovery in Patagonia shows that frogs have had a tadpole stage for at least 160 million years. Here’s how the ancient frogs compare to those of today. Tadpoles and adults of the extinct frog ...

Given a choice, male dyeing poison frogs snub empty pools in favor of ones in which their tiny tadpoles have to grow in the company of larger, carnivorous ones of the same species. The frog fathers ...

Have you ever wondered how city life affects animals like frogs? A new study reveals that urban Túngara frog tadpoles develop faster—but end up being smaller—than tadpoles from forests, probably ...

Predators can have important impacts on host–parasite dynamics. For many directly transmitted parasites, predators can reduce transmission by removing the most heavily infected individuals from the ...