Summary:
- The article provides a detailed scientific overview of the narwhal (*Monodon monoceros*), focusing on their unique biological adaptations, such as their iconic "tusk," which is actually an elongated canine tooth.
- It explores the ecological challenges narwhals face in the Arctic, specifically addressing how climate change and melting sea ice are impacting their habitat, migratory patterns, and susceptibility to predation and human-induced stressors.