the frog would lay eggs. Frog or "Hogben" tests were commonplace from the 1940s through the early 1960s. The animal's popularity led to both a scientific revolution and a global ecological crisis.

In our first filming season, Dr Sandeep Das and his team, who have been studying purple frogs for several years, had already ...

A video suitable for all ages of a female frog who lays thousands of eggs.

This newly found frog is not only incredibly small, with a maximum length of about 30 millimeters, but it also has a unique way of laying eggs. While some other frogs in Sulawesi are known to lay ...

As she lays eggs, he expels sperm to fertilize them. Though egg laying takes place in spring, frog pairs in mountain ponds can begin hibernation in amplexus—a months-long embrace that may ...

Every year, female foothill yellow-legged frogs lay one egg mass containing 100 to 4,000 eggs (most often about 1,000 to 2,500). Foothill yellow-legged frogs may live as long as 10 to 15 years, ...