We've written before about Bindi Irwin, the famous crocodile hunter's young daughter who shares his love for nature, but now his young son has joined the family business too.

At just 13, Robert has already started appearing on TV, stopping by the Jimmy Fallon show last night to teach everyone about some cool animals.

The host jokes about how enthusiastic he is, but the young animal expert's excitement really is contagious.

While he's still young, Robert has already leaned so much about animals, since he says he practically "grew up" at the Australia zoo.

He even supports a charity to protect wild animals. We bet his dad would be proud to see the next generation carry on his legacy.

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