The effects of warming on avian malaria were not universal.

气候变暖对禽虐的影响并不普遍。

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。

However, a new analysis of the spread of avian malaria shows that for the birds, at least, there is a real worry.

然而，一项新的对禽虐传播的分析显示，至少对于鸟类而言，真正令人担忧的状况已经出现。

But avian malaria is already ravaging the native birds of Hawaii and it is now wreaking havoc in New Zealand, says Dr Garamszegi.

但是禽虐已经毁掉了夏威夷的本地鸟类，它目前在新西兰正造成着巨大的破坏，噶母赛棘博士说。

The blackcap (Sylvia atricapilla), a migrant bird common in Europe that breeds in gardens, once had virtually no avian malaria but a study in 1999 showed nearly 4% had the disease.

黑头莺在欧洲一种常见的候鸟，它们生活在很多公园里，实际上它们曾经并没有禽虐感染，但是1999年的一项研究显示，几乎4%的黑头莺感染了这种疾病。