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 ...

Who needs eggs? Scientists have discovered an unusual frog species that gives birth to live tadpoles. These Froggies Went A Courtin' And Gave Birth To Live Tadpoles When Jim McGuire and some ...

NEW YORK (AP) — Scientists have discovered the oldest-known fossil of a giant tadpole that wriggled around over 160 million years ago. The new fossil, found in Argentina, surpasses the previous ...

1. High-latitude species (and populations within species) are adapted to short and cold summers. They often have high growth and development rates to fully use the short growing season and mature ...