史密森动物园的巨熊猫表现出相互关心, Giant pandas at Smithsonian Zoo show mutual interest, sparking hopes for natural birth.

华盛顿特区史密森国家动物园的两只4岁大熊猫正在表现出相互关心的迹象, 这激起了未来自然繁殖的希望. Two 4-year-old giant pandas at the Smithsonian National Zoo in Washington, D.C., are showing signs of mutual interest, sparking hopes for a future natural breeding. 虽然熊猫被关在有网状窗户的隔离里, 但它们表现出了嗅觉标记和发声等行为. Though kept in separate enclosures with mesh "howdy" windows, the pandas have exhibited behaviors like scent marking and vocalizations. 动物园的管理人员希望他们之间日益增长的联系能导致自然分娩, 这将是该动物园几十年来首次出现这种情况. Zookeepers hope their growing connection may lead to a natural birth, marking a first for the zoo in decades, as previous cubs were born via artificial insemination.