The science and technology publication American Scientist wrote about the "record-breaking, 10-inch-long whopper of a ...

Researchers at the time intended to continue studying the tadpole and planned to publish their findings in the following years, wrote McGee. The science and technology publication American Scientist ...

The American bullfrog is considered one of the most harmful invasive species worldwide. Originally native to eastern North ...

How a Tadpole Becomes a Frog The dramatic changes of the process are stimulated by thyroid hormone. The level of hormone is regulated by a feedback system involving the hypothalamus of the brain ...

Frogs are primarily carnivorous amphibians that vary in many ways but also tend to look similar. Two frogs that are often confused for one another, especially in juvenile stages, are the American ...

Frogs are primarily carnivorous amphibians that vary in many ways but also tend to look similar. Two frogs that are often confused for one another, especially in juvenile stages, are the American ...

Video of an American bullfrog croaking, audio included. An insect walks across the frogs nose until he reaches up to brush it off. A large bullfrog sits on a rock at the edge of a lake. African ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...