Leather comes from many sources

NEW YORK (AP) -- Calfskin, lambskin, suede -- they're all leather, but as shoppers know they also can have widely varying looks and textures.
The Leather Apparel Association offers this guide to leather terminology:
ULeather. A generic term used for all kinds of tanned animal hides or skins.
UAniline finish. Skins are drum-dyed for a soft, smooth feel. They are usually coated with protein, resin, lacquer or can be waxed.
UCalfskin. Skin from a young female cow.
UCowhide. From a mature female cow, heavy and durable.
UDistressed. Buffing surface to create uneven coloration and markings for a weathered look.
UEmbossed. Prints, commonly reptile, are heat-pressed onto surface.
UGlazed finish: Surface is polished to a high luster by pressurized glass or steel rollers.
ULambskin. From a lamb or young sheep, soft and lightweight.
UUnbuckle. Lightly buffed top grain to a very fine nap that appears smoother than leather.
UPatent. Heavily finished to give a highly lustrous, baked-enamel appearance.
UPearlized. Spray-on finish giving an uneven sheen.
UPigskin. From pigs or hogs, commonly used for suede.
UShearling. Natural lamb pelts with the leather side often suede and worn on the outside.
USuede. Leathers that are finished by buffing the underside of a hide to produce a velvet-like nap.