12 sources
Animal Fat
12 animals yield Animal Fat. Each is listed with the regions the compendium records for it.
Legendary Beaver "Malia"
Legendary animalsElysian Pool, Roanoke Ridge, New Hanover
Legendary Bharati Grizzly Bear
Legendary animalsO'Creagh's Run, Grizzlies East, Ambarino
Legendary Boar "Oryx"
Legendary animalsBluewater Marsh, Lemoyne
Beaver (RDR 2)
Owanjila, Lake Isabella, Huron Glen, Shady Belle
Black Bear
Big Valley, Aurora Basin, Bayou Nwa, Roanoke Ridge
Boar (RDR 2)
Lemoyne
Duck (RDR 2)
Everywhere except for Grizzlies West and New Austin
Goose
Emerald Ranch
Grizzly (RDR 2)
Aurora Basin, Little Creek River, Whinyard Strait, O'Creagh's Run
Peccary
Cholla Springs, Rio Bravo, Gaptooth Ridge
Pheasant
Carmody Dell, Valentine
Pig (RDR 2)
Saint Denis, Guarma
Where to find it
AmbarinoAurora BasinBayou NwaBig ValleyBluewater MarshCarmody DellCholla SpringsElysian PoolEmerald RanchEverywhere except for Grizzlies West and New AustinGaptooth RidgeGrizzlies EastGuarmaHuron GlenLake IsabellaLemoyneLittle Creek RiverNew HanoverO'Creagh's RunOwanjilaRio BravoRoanoke RidgeSaint DenisShady BelleValentineWhinyard Strait
Off the same carcassBear ClawBear PeltBeaver FurBig Game MeatBlack Bear ClawBlack Bear FurBoar SkinBoar Tusks
All hunting materials