From GameWatcher: “Red Dead Redemption 2 is out now on PC at last, and while many players are struggling with the game others are already doing their best to improve the PC version with mods. Like this latest one, in Red Dead Redemption 2 how to play as animals or other characters.
We’ll show you below how to play as any character, animal, or NPC in Red Dead Redemption 2, where you need to go to get the mods required, and the simple steps to get it all working. Prepare to fly as an eagle through the Old West, or cause havoc as a boar with Arthur Morgan’s voice.”
Source: N4G PC Red Dead Redemption 2 – How to play as animals or other characters