"Arctic tern" 的定义和意义

What is an "Arctic tern"?

The Arctic tern is a migratory seabird that holds the record for the longest migration of any known animal, traveling annually from its breeding grounds in the Arctic to its wintering grounds in the Antarctic. With its slender body, white plumage, and distinctive forked tail, the Arctic tern is perfectly adapted for life on the wing, spending the majority of its life in flight, covering incredible distances as it follows the changing seasons. Known for its remarkable navigation skills and endurance, the Arctic tern is a symbol of resilience and adaptability in the face of extreme environmental conditions.