“An opossum will play dead by hanging by its tail.”

The idea of an opossum dangling by its tail, often while "playing dead," is a widely recognized image, frequently appearing in cartoons and popular culture. While opossums are indeed known for their involuntary defense mechanism of "playing possum," entering a catatonic state when threatened, the image of them suspended by their tails, especially for extended periods or during sleep, is largely a misconception. This persistent myth likely stems from observing young opossums, which may briefly hang by their prehensile tails as they explore their environment.

Opossums possess a prehensile tail, meaning it is adapted for grasping and wrapping around objects. They primarily use this "fifth limb" for balance while climbing trees and other structures, or to carry nesting materials like leaves and twigs. However, an adult opossum's tail muscles are not strong enough to support its full body weight for more than a fleeting moment. They certainly lack the sustained strength required to sleep while hanging upside down, as depicted in fiction.

The misconception is further perpetuated by artistic license in media, where the visual of an opossum hanging by its tail makes for an amusing or dramatic portrayal. This imagery, combined with the genuine, albeit brief, ability of young opossums to dangle, has cemented the false belief in the public consciousness. In reality, opossums prefer to sleep in dens or sheltered spots, not suspended by their tails.