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 ...

When tadpoles become frogs, their body shape isn't all that changes. The vast majority of frogs and toads begin their lives as aquatic larvae before they undergo a process known as metamorphosis.

It was happy hour at the “Frog Shack,” a tiny building at the Los Angeles Zoo offering all the amenities that Southern California’s rarest — and perhaps fussiest — amphibians might need to survive.

If you have any children in your life, imagine for a moment that they don't look anything like their parents, they don't eat anything humans normally eat, and they're active only while adults sleep.

Researchers visiting the Indonesian island of Sulawesi made a huge — and unexpected — discovery when they found the first frog known to give birth to live tadpoles. A vast majority of the more than ...

With 8.2 billion people in the world, cities are constantly expanding, rapidly altering the environment. Animals that undergo complete metamorphosis, such as frogs, may face bigger challenges as they ...

Researchers studied the evolution of the body sizes of frogs and their tadpoles. They found that the two life stages do not evolve completely independently of each other as previously thought. If you ...