I use a cross bow its almost 50/50 chance it will kill it but if that happens you can just pick out a different kairuku, and feed it raw fish and/or raw meat to tame they are very easy to tame almost dodo like in a way
They are so cute! I tamed one today and I named it Karri. She is a juvenile and very weak but still cute. If you kill baby or juvenile kairukus on purpose. I will find and burn your base in multiplayer.
DO NOT MAKE THE SAME MISTAKE AS I DID. I hit headshots when trying to knock this oversized penguin out, and it died... Just remember to go for the body, and only use tranq DARTs, otherwise it will die, please share to others