It was extinction by dilution,and to the ornithologists it was just as tragic as the more dramatic demise of the passenger pigeon or the Carolina parakeet.
英
美
- 混种将导致野火鸡灭绝;对鸟类学家来说,这和北美候鸽或卡罗来纳长尾小鹦鹉大批大批地死亡同样悲惨。