The GiveK Command
GiveK is used to add an animal species to a players list of known creatures, to Give Knowledge.
admincheat scriptcommand ZOO GiveK player_name dino_character_bp
The commands takes two arguments, the player_name and the dino_character_bp name, for example:
admincheat scriptcommand ZOO GiveK Glog HLI_Archa_Character_BP
Will give the player named Glog the knowledge of the Archaeopteryx. It uses the in game name, not the players steam name. It will not give the player any engrams or prerequisite Dino knowledge. The player will still need to meet all the prerequisites for taming.
You can find the Zoology dino_character_bp names listed here.