Eh, this sounds like another dire wolf "designer animal" style announcement from what I could find.  Color me skeptical of the result even if the animal looks like the extinct one.
> Scientists aim to genetically engineer living birds to resemble the moa within five to 10 years, starting by extracting DNA from well-preserved bones. 

>This marks Colossal's first attempt to de-extinct a bird, presenting unique challenges compared to their previous work with designer grey wolves. 

via [the independent](https://www.independent.co.uk/bulletin/news/south-island-giant-mao-bird-colossal-biosciences-b2787744.html)