But for me, even as a pretty experienced ear birder, I really struggle with it.

但对我来说，即使是一个经验丰富的听者，我也很难学会。

There is a whole worldwide community of birders.

我们聚集了全球的观者群体。

" I've been a birder since I was a little kid, " he said.

" 我从很小的时候就观察，" 他说。

If you're a birder, you may already be familiar with this technology.

如果你是好者，你可能已经熟悉了这项技术。

We'll hear from birders and researchers who got a glimpse of these moments.

我们聆听发现这些瞬间的观者和研究者的描述。

Shout it from the rooftops Why birders are a rare breed

公开宣布为什么观者很少？

Not so unfazed, the birder who posted this video Nicholas Belardes admits, " I teared up" .

但是有人十分激动。该视频上传到社交网络的好者尼古拉斯·贝拉德斯激动地热泪盈眶。

In many countries, birders play an important role in spotting changes in bird populations and avian behaviour.

在许多国家，观者在发现种群和行为变化方面发挥着重要作用。

There is, however, a small but growing number of local birders who closely monitor bird migration.

不过，有数量不多但一直增加的当地观者在密切监视的迁徙。

Starzynski also says that some birders are very serious about their hobby.

Starzynski 还说，一些观者对他们的好非常认真。

If you're a birder, you may already be familiar with this technology.

Job：如果您是观者，您可能已经熟悉这项技术。

If it were wild, he added, traditional bird watchers -- often called birders -- would be " very excited." And they are not.

他补充说，如果这只鸳鸯是野生的，传统观察者（猎者）会表现得“异常兴奋”。然而他们并没有。

I've identified over 750 species in the course of my work here, which would be a pretty good life list for a lot of birders.

在这里工作的期间，我已经鉴定了超过750种，这会是一个非常好的百谱。

One British birder laments the recent draining of supposedly protected paddies by the Wenyu, a river in Beijing that had been a place of rest for about 200 migratory species.

北京的温榆河最近排干了水田，这里曾是大约200种迁徙物种的栖息之地，对此一位英国观者表示惋惜。

Sometimes they escape, he said. Sweet said he believes this duck is an escapee. If it were wild, he added, traditional bird watchers -- often called birders -- would be " very excited" . And they are not.

他说，有时它们会逃跑。斯威特表示，他认为这只鸳鸯是逃出来的。他补充说，如果这只鸳鸯是野生的，传统的观察者（通常被称为观者）会" 异常兴奋" 。然而他们并没有。

Birders know this and spend every spring and fall hopping from green space to green space with binoculars in hand, hoping to catch a glimpse of unfamiliar species they otherwise rarely have a chance to see the rest of the year.

观者知道这一点。每年春秋两季，他们手握双筒望远镜在各个绿地中穿梭，希望能瞥见在一年其它时间鲜有机会看到的不常见的。