Australia No.8 David Pocock has invited broadcaster Sir David Attenborough to Saturday's Rugby World Cup final.

Zimbabwe-born Pocock relaxed by watching some of Attenborough's nature documentaries after the Wallabies' semi-final victory over Argentina on Sunday.

Pocock described Attenborough as a "legend" and said that he would be able to sort tickets for the 89-year-old should he want to attend the final against New Zealand at Twickenham.

"I'm a big fan of wildlife programmes, particularly those by David Attenborough. He's a big hero of mine," Pocock told reporters.

"On Sunday for post-game recovery I put on a couple of Attenborough episodes and put my feet up.

"I was rewatching his Africa series. If he wants to come to the final I'm sure we could organise some tickets. He's a legend."

Pocock has been one of the standout players of the tournament, averaging three turnovers a match to help Australia to a record-equalling fourth final.