In the fight against wildlife crime, forensic science has emerged as a powerful ally in protecting endangered species and preserving biodiversity. Among its many tools, anatomical markers—distinctive physical traits found in bones, teeth, feathers, and other biological tissues—play a crucial role in identifying species, determining age and sex, and reconstructing events surrounding an animal’s death. These markers serve as biological fingerprints, enabling forensic experts to trace illegal poaching, trafficking, and habitat destruction with scientific precision. As wildlife crimes grow more sophisticated, the study of anatomical evidence becomes increasingly vital in unraveling mysteries hidden within animal remains and bringing perpetrators to justice. Poaching, unlawful wildlife trade, manipulation of remains, and species misidentification represent serious threats to global biodiversity. To investigate, record, and bring perpetrators to justice, forensic experts rely on anatomical methods and technologies. These tools help them pinpoint species, uncover the cause or circumstances of death, and occasionally track the geographic source of biological evidence. The following outlines essential forensic instruments, their applications, and the challenges they entail.