Hesperornis is an extinct genus of flightless aquatic birds that lived during the Late Cretaceous.

黄昏是一种已经灭绝不会飞翔，生活在白垩纪晚期。

The aquafarm was the most important waterbird habitat in Hangzhou, and the West Lake and the pond area were also important in maintaining the diversity and density of waterbirds in Hangzhou.

产养殖场是杭州市 乌最重要栖息地类型，西和荡对于维持杭州市数量和多样性也具有重要作用.

Hesperornis is an extinct genus of flightless aquatic birds that lived during the Late Cretaceous.

黄昏鸟是一种已经灭绝不会飞翔水鸟，生活在白垩纪晚期。

The aquafarm was the most important waterbird habitat in Hangzhou, and the West Lake and the pond area were also important in maintaining the diversity and density of waterbirds in Hangzhou.

水产养殖场是市 水乌最栖息地类型，西和水荡对于维市水鸟数量和多样性也具有作用.

Hesperornis is an extinct genus of flightless aquatic birds that lived during the Late Cretaceous.

黄昏鸟是经灭绝的不会飞翔的水鸟，生活在白垩纪晚期。

The aquafarm was the most important waterbird habitat in Hangzhou, and the West Lake and the pond area were also important in maintaining the diversity and density of waterbirds in Hangzhou.

水产养殖场是杭州市 水乌最重要的栖息地类型，西和水荡对于维持杭州市水鸟的数量和多样性也具有重要的作用.

Hesperornis is an extinct genus of flightless aquatic birds that lived during the Late Cretaceous.

黄昏鸟是一种已灭绝的不会飞翔的水鸟，生活在白垩纪晚期。

The aquafarm was the most important waterbird habitat in Hangzhou, and the West Lake and the pond area were also important in maintaining the diversity and density of waterbirds in Hangzhou.

水产养殖场是杭州市 水乌最重要的栖息地类型，西和水荡对于维持杭州市水鸟的数量和多样性也具有重要的作用.

Hesperornis is an extinct genus of flightless aquatic birds that lived during the Late Cretaceous.

黄昏鸟是一灭绝的不会飞翔的水鸟，生活在白垩纪晚期。

The aquafarm was the most important waterbird habitat in Hangzhou, and the West Lake and the pond area were also important in maintaining the diversity and density of waterbirds in Hangzhou.

水产养殖场是杭州市 水乌最重要的栖息地类型，西和水荡对于维持杭州市水鸟的数量和多样性也具有重要的作用.

Hesperornis is an extinct genus of flightless aquatic birds that lived during the Late Cretaceous.

黄昏鸟是一种已经灭绝的不会飞翔的水鸟，生垩纪晚期。

The aquafarm was the most important waterbird habitat in Hangzhou, and the West Lake and the pond area were also important in maintaining the diversity and density of waterbirds in Hangzhou.

水产养殖场是杭州市 水乌最重要的栖息地类型，西和水荡对于维持杭州市水鸟的数量和多样性也具有重要的.

Hesperornis is an extinct genus of flightless aquatic birds that lived during the Late Cretaceous.

黄昏鸟是一种已经灭绝的不会飞翔的水鸟，生活在白垩纪晚期。

The aquafarm was the most important waterbird habitat in Hangzhou, and the West Lake and the pond area were also important in maintaining the diversity and density of waterbirds in Hangzhou.

水产养殖场是杭州市 水乌最重要的栖息地类型，西和水荡对于维持杭州市水鸟的数量和多样性也具有重要的作用.

Hesperornis is an extinct genus of flightless aquatic birds that lived during the Late Cretaceous.

黄昏鸟是一种已经灭绝的不会飞翔的水鸟，生活在白垩纪晚期。

The aquafarm was the most important waterbird habitat in Hangzhou, and the West Lake and the pond area were also important in maintaining the diversity and density of waterbirds in Hangzhou.

水产养殖场是 水乌的栖息地类型，西和水荡对于维持水鸟的数量和多样性也具有的作用.

Hesperornis is an extinct genus of flightless aquatic birds that lived during the Late Cretaceous.

黄昏鸟是一种已经灭绝的翔的水鸟，生活在白垩纪晚期。

The aquafarm was the most important waterbird habitat in Hangzhou, and the West Lake and the pond area were also important in maintaining the diversity and density of waterbirds in Hangzhou.

水产养殖场是杭州市 水乌最重要的栖息地类型，西和水荡对于维持杭州市水鸟的数量和多样也具有重要的作用.

Hesperornis is an extinct genus of flightless aquatic birds that lived during the Late Cretaceous.

黄昏鸟是一种已经灭绝的不会飞翔的水鸟，生活在白垩纪晚期。

The aquafarm was the most important waterbird habitat in Hangzhou, and the West Lake and the pond area were also important in maintaining the diversity and density of waterbirds in Hangzhou.

水产养殖场是杭州市 水乌最重要的栖息地类型，西和水荡对于维持杭州市水鸟的数量和多样性也具有重要的作用.