The Common Brushtail Possum has four color varieties namely, silver-grey, brown, black, and gold. The rare fluffy golden coats are from a genetic mutation that results in low levels of melanin in the Possum's skin and fur.

The Common Brushtail Possum has four color varieties namely, silver-grey, brown, black, and gold. The rare fluffy golden coats are from a genetic mutation that results in low levels of melanin in the Possum's skin and fur.