Bindi Irwin ‘terrified’ brother Robert and his new girlfriend Rorie Buckey are going to take over Australia Zoo as their relationship continues to get serious

Robert Irwin’s relationship with his girlfriend Rorie Buckey has gone from strength to strength.

And the 19-year-old wildlife warrior’s sister Bindi is reportedly ‘terrified’ the couple will take over the Australia Zoo.

According to New ideaBindi, 25, is nervous about Robert’s relationship with 19-year-old Rorie, and isn’t happy about Heath Ledger’s niece being in the spotlight.

“She’s struggling with the new belle at the Irwin ball,” the insider said.

‘Rorie has taken every insect, critter and eight-legged freak in her stride – she’s completely unflappable.’

Bindi Irwin (pictured) is ‘terrified’ brother Robert and his new girlfriend Rorie Buckey are set to take over Australia Zoo as their relationship becomes increasingly serious

The source continued: ‘Bindi knows that Robert and Rorie are presenting an attractive package to TV producers and offers that have previously come her way could go his way – and this could extend to taking charge one day. ​from the family’s esteemed Australia Zoo.’

Daily Mail Australia has contacted the Irwins for comment.

It comes just days after Robert took the next step with girlfriend Rorie, with the pair enjoying a romantic getaway to Tasmania.

On Saturday, Rorie shared a photo gallery from their romantic getaway.

‘Tasmania!!’ Rorie captioned the post, choosing to lead the photo album with an image of her and Robert posing in front of cherry blossom trees in a park.

Robert quickly responded to the post, writing: “Amazing trip.”

His mother Terri also wrote under the gallery. ‘Such a beautiful couple in my favorite place on earth!’.

According to New Idea, Bindi, 25, is nervous about Robert's relationship with Rorie, 19, and isn't happy about Heath Ledger's niece catching her eye

According to New Idea, Bindi, 25, is nervous about Robert’s relationship with Rorie, 19, and isn’t happy about Heath Ledger’s niece catching her eye

Although Robert and Rorie only made their relationship public in August, they have been dating since November 2022.

This is despite the fact that they live on opposite sides of the country, with Robert in Queensland and Rorie in Western Australia, where she studies at the prestigious Curtin University in Perth.

They both come from famous Australian families, as Robert is the son of the late conservationist Steve ‘The Crocodile Hunter’ Irwin, while Rorie is the niece of the late Oscar-winning actor Heath Ledger.

'Bindi knows that Robert and Rorie are presenting an attractive package for TV producers and offers that may have previously come her way could go his way - and this could culminate in one day when they will be in charge of the esteemed Australia The family's stuff,

‘Bindi knows that Robert and Rorie are presenting an attractive package for TV producers and offers that may have previously come her way could go his way – and this could culminate in one day when they will be in charge of the esteemed Australia The family’s stuff,” said a source.