Ents = new List<string>()
                {
                    "AutoTurret",
                    "FlameTurret",
                    "GunTrap",
                    "Landmine",
                    "BearTrap",
                    "SamSite",
                    "Bear",
                    "Wolf",
                    "Deer",   //Deer should be "Stag", not "Deer".
                    "Boar",
                    "Chicken",
                    "Horse",
                    "Zombie",
                    "Scientist",
                    "Murderer",
                    "BaseHelicopter",
                    "BradleyAPC"
                },

Not sure.. In BaseNpc they are declared as Deer. 

    {
      Bear,
      Wolf,
      Deer,
      Boar,
      Chicken,
      Horse,
      Zombie,
      Scientist,
      Murderer,
      Player,
    }​

But you killed deer. There seems to be no prompt.You can try it.