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 ...

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 ...

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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 ...

When rain falls and water is plentiful, the sex lives of plains spadefoot toads are pretty, well, plain. Females prowl ponds for the suitor with the most winsome call; they pair off to couple, ...

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 ...

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.