8-9 years

Dolphins are quick, agile swimmers, often jumping impressively over the water surface. Underwater, they produce high-pitched whistling and clicking...

Tarantulas are among the largest spiders in the world. In contrast to many other spiders, they do not spin a web, but lay in wait for their prey – ...

Like all tigers, this one prowls on thick, padded feet…so he can sneak a cookie from the snack jar before dinner. A natural-born predator, he fears...