复数： waterfowl

The oil spill killed the much of the vegetation that serves as a nesting ground for pelicans and other migrating waterfowl .

石油泄漏杀死了大量为塘鹅和其它迁徙水鸟提供筑巢空地的植被。

Researchers graham laver and robert webster discover that waterfowl are the natural hosts of influenza viruses .

研究者grahamlaver和robertwebster发现水禽是流感病毒的天然宿主。

Because waterfowl have normal body temperatures between 103 and 106 degrees fahrenheit ( 39 and 41 celsius ) , heat loss in the water can be fatal .

由于水鸟的正常体温为华氏103到106度（摄氏39到41度），所以在水中热量的丧失将会是致命的。

The yukon delta is an important habitat for waterfowl and migratory birds , and most of the protected refuge is less than 100 feet ( 30 meters ) above sea level .

育空三角洲地区是水禽和候鸟的重要栖息地，这些被保护的避难所大部分海拔高度低于100英尺（30米）。