Mephitidae
Mephitidae is a family of carnivorous mammals comprising skunks and stink badgers. Its living species are native to the Americas and Southeast Asia.
Carnivora: Carnivora is the mammal order that includes cats, dogs, bears, seals, and their relatives. Mephitidae belongs to this order, whose members share adaptations for a meat-eating ancestry.
Skunk spray: Skunk spray is a pungent defensive secretion containing volatile sulfur compounds. It is the family’s best-known defense, deployed by skunks when threats persist.
Striped skunk: The striped skunk is a widespread North American species recognized by two white stripes along its back. It is a familiar example of a skunk using conspicuous markings and chemical defense.
Molecular phylogenetics: Molecular phylogenetics infers evolutionary relationships by comparing DNA, RNA, or protein sequences. Genetic comparisons helped establish skunks as a distinct family rather than mustelids.
Musteloidea: Musteloidea is a superfamily of carnivorans that includes weasels, raccoons, skunks, and red pandas. This broader lineage places Mephitidae among several related families.
Thiols: Thiols are sulfur-containing organic compounds characterized by a sulfur–hydrogen group. Volatile thiols contribute strongly to the odor of skunk spray.
Hooded skunk: The hooded skunk is a North and Central American species with a prominent white mantle or hood. Its distinctive coat demonstrates the variation in warning patterns among mephitids.
Fossil record: The fossil record is the preserved evidence of past life found in geological materials. Fossils help trace the family's history and clarify when its lineages diversified.
Mustelidae: Mustelidae is a carnivoran family containing weasels, otters, badgers, and wolverines. Skunks were once grouped with mustelids, but genetic evidence supports their separate family.
Aposematism: Aposematism is the use of conspicuous signals to warn predators that an organism is dangerous or unpalatable. Skunks’ bold coloration advertises their spray before a predator risks an attack.