- Angora comes from a rabbit.
- Angora goats produce mohair.
- Cashmere also comes from a goat.
- Wool comes from a sheep.
- Merino wool comes from a merino sheep.
- Angora wool is the same as angora (and comes from a rabbit).
- Cashmere wool is the same as cashmere (and comes from a goat).
- Cashmere merino wool doesn't exist.
- Possum is from the Australian Brush-tailed possum (not the Virginia Opossum that is a varmint 'round here).
- Qiviut comes from a musk ox.
- Camel hair comes from a camel.
- Alpaca comes from an alpaca (looks like a llama but isn't one).
- Guanaco and Vicuna comes from a guanaco and vicuna respectively (again, they are not llamas).
- William Windsor is a cashmere goat that was in the British army until 2009 when he retired.
- Silk, although listed as an animal fiber, is not a hair like the rest listed above. It is a fiber spun by moth caterpillars to form cocoons.
Just when you thought you had it straight....
Just as a quick review for when you are reading fabric labels: