Hoffman and scientists from the British Antarctic Survey( BAS), who reported their findings in the science journal Nature on Wednesday, discovered the unusual mating patterns while studying a colony of the seals on the island of South Georgia.

• 霍夫曼博士和来自英国南极考察队的科学家在研究南乔治亚岛的海豹群时发现了海狗这一不寻常的择偶现象。