Animal fiber
Ambergris
Beeswax
Blood and some blood substitutes
Casein (used in plastics, clothing, cosmetics, adhesives and paint)
Castoreum (secretion of the beaver used in perfumes and possibly in food flavoring)
Coral rock
Ejaculate (used in artificial insemination)
Feathers
Fur
Gallstones (from livestock for Traditional Chinese Medicine)
Horn, including antlers, ivory, tusks, etc.
Ivory
Lanolin



Leather



Manure



Mink oil



Pearl or mother of pearl



Scales



Silk