ATLANTA -- Video shot by a zoo visitor last weekend shows a kangaroo at Zoo Atlanta attacking a worker.

The large kangaroo leans back on its tail and lashes out with its hind legs, striking the zookeeper several times.

SLIDESHOW: Kangaroo Attacks Zoo Atlanta Zookeeper

RAW VIDEO: Kangaroo Attacks Zoo Atlanta Worker

The kangaroo then hops away.

The zookeeper stumbles backwards, but never falls.

The video was shot on a cell phone camera by a zoo visitor.

There's no word on what prompted the attack.

The zookeeper wasn't injured and was able to continue working.