And 12 percent of the birds weren't singing honeyeater songs at all.

12%的根本没有唱王的歌。

They found that a quarter of the birds sang variations of the traditional honeyeater song.

他们发现，四分之一的儿唱着传统王的歌曲变调。

That means fewer honeyeater adults are nearby during the young birds' first year of life.

这就意味着在幼活的第一年，周围的成年王会很少。

Crates says the honeyeaters' loss of songs equates to a loss of culture.

克拉茨说，失去歌曲就等同于失去了文化。

Instead, the islands have a totally different cast of ecological characters, including marsupials, Komodo dragons, cockatoos, and honeyeaters.

地，这些岛屿有完全不同的动物，包括有袋动物、科莫多龙、凤头鹦鹉和食。

Ramsay added that female honeyeaters may not even recognize these unusual singers as possible mates, and so do not approach them.

拉姆齐补充道有可能雌性王甚至还没有把这些不同寻常的歌唱者当作可能的配偶，所以就不接触它们。

One of those " difficult birds" is the critically endangered regent honeyeater.

其中一种“难研究的”是极度濒危的王。

" All our study species are quite challenging to study for various reasons, mostly because they're really rare and highly mobile." One of those " difficult birds" is the critically endangered regent honeyeater.

“由于各种原因， 我们所有研究物种的研究都非常具有挑战性，主要是因为它们非常稀有且流动性强。 ” 这些“困难的类” 之一是极度濒危的政吸。