Avian species, they got to stay hydrated.

鸟类需要保持水分。

A human case of H5N6 avian flu has been confirmed in Guangdong.

广东确诊一例人感染H5N6禽流感病例。

YURKEVICH: The highly pathogenic avian influenza, or avian flu, is largely to blame.

高致病性禽流行性感冒（禽流感）很大程度上来讲是罪魁祸首。

The effects of warming on avian malaria were not universal.

气候变暖对禽虐的影响并不普遍。

But these elegant avians actually lead complex social lives.

但这些优雅的鸟实际上过着复杂的社交生活。

These murder birds were one-of-a-kind in avian history.

在鸟类历史上，这种杀人鸟是独一无二的。

Many Regional Committees also addressed the threat posed by avian influenza.

众多地区委员会都在积极应对禽流感造成的威胁。

And migratory birds that extend their visits may provide competition for some avian natives.

同时，逗留时间更长的候鸟也可能对一些本土鸟产生竞争。

They're joined by Professor Graham Martin, an expert in avian vision.

他们还邀请了专门研究鸟类视觉的 Graham Martin 教授一同前往。

Because they carry avian malaria, which the birds have no resistance to.

因为它们携带禽类疟疾病毒，而鸟类对这种疾病没有抵抗力。