“I don’t think we would’ve ever seen our daughter.

Robert was called out on live television for being a bittoohonest about his sister’s pregnancy, however.

It’s the Irwins, when the subject ofBindi’s pregnancycame up.

Robert Irwin smiles at an event

Robert then quipped, “She’s massive now!”

to which his mother responded, clearly horrified, by playfully punching his arm and exclaiming “Robert!”

Backtracking, the committed animal conservationist corrected himself, arguing, “Like, in a good way!

Robert and Bindi Irwin pose with their mother Terri

No, like, it’s special!”

Later in the interview, Robert begged his mother not to tell Bindi what he’d said.

But, as a tweet later revealed, it was too late.