They know ka-rat-e.

A pair of kung-fu rats channeled their inner Bruce Lee — caught on video while fighting on a Brooklyn subway platform.

For nearly a minute, the Teenage Mutant Ninja Turtle wannabes leapt into the air, flipping over onto their backs, and delivering airborne blows — all to the delight of the women behind the lens. 3

The footage was shot on July 11 at the Grant Avenue Station in Brooklyn’s Cypress Hills neighborhood. 3

Rats are known to gently nip, bite and wrestle with each other or their mothers as a form of play fighting, according to PetMD .

The website said such behaviors are healthy and normal, helping the rodents forge bonds and learn appropriate social cues. 3

Typically, when rats fight for territory or food, they make extremely loud shrieks,

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