Discover the elusive Black-shouldered Opossum (Caluromysiops irrupta), a rare marsupial native to South America's tropical forests. Recognizable by its striking black shoulder markings and semi-prehensile tail, this nocturnal creature plays a crucial ecological role as a seed disperser and insect controller. As habitat loss threatens its existence, learn more about its unique adaptations and the vital importance of conserving this intriguing species.