You can't find it. You have to make it using 1 Prairie Poppy and 1 Wild Feverfew. Prairie Poppies can be found on the Great Plains. Wild Feverfews can be found basically anywhere.
at fort mercer
you have to finish all of the undead unter missions before you can find him.
Gaptooth ridge
You cant really find undead bait after you first get it in Fort Mercer from West Dickisons. After that you have to make it your self.
in gaptooth breatch and el materdora
The retcher, Bruiser, and Bolter, along with regular type.
you can find it when u save gaptooth breetch.
on your back button screen, there's a "build your own bait" item you can use. it requires 1 wild feverfew, and 1 prairie poppy
It's in the same place as it is in the original Red Dead Redemption. In mexico
You must finish all the Undead challenges in order to get the Chupacabra
No you can't there is only one in the game.
No, you can only find it once I'm afraid