https://www.npr.org/2021/09/14/1036884561/dna-resurrection-jurassic-park-woolly-mammoth
The ability to reanimate various extinct life forms is a tempting notion, but there are always potential dangers.
https://knappily.com/technology/reviving-the-woolly-mammoth-486
https://therevelator.org/digging-deep-de-extinction
Composite life forms or hybrids might be potentially dangerous as well.
Think of something far beyond, The_Island_of_Doctor_Moreau.
https://en.wikipedia.org/wiki/The_Island_of_Doctor_Moreau#In_cinema
https://en.wikipedia.org/wiki/Human-animal_hybrid#Legal_and_moral_discussions