Use Proper Supplies: Every birder knows they need a good field guide and the right optics to see the birds, but summer birding requires some additional equipment.

利用合适的补给品：每个观鸟者都知道他们需要一个好的野外向导和准确的视觉来观察鸟，但夏季观鸟需要额外的装备。

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This is the easiest type of birder to be, because birding in the backyard does not necessarily require specialized equipment beyond a general field guide and a basic set of binoculars.

这是最容易入道的一种“鸟人”，因为在后园里观鸟不需要专门的装备，只要有一本通用的观鸟指南和一架基本的双筒望远镜即可。

youdao

All it takes to get started as a birder is good eyesight, a simple field guide (even from a used book store) and an interest in watching birds.

准备开始做个“鸟人”非常简单，只需要一个好的视力、一本简单的野外观鸟指南(甚至是从旧书店里买来的也行)，还有对观鸟的兴趣。

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It remains a field guide organized by symptoms, clustered in categories that can expand without limit.

WSJ: DSM-5: A Manual Run Amok

There was software that could take a picture of a cat and make it look like it is talking (Reallusion Animation Suite), accounting applications (Kashoo) and a field guide to North America birds (iBird).

FORBES: Thoughts on Three Potentially Disruptive Companies at MacWorld

The editors look at the top 10 innovators of the decade and in the process provide a handy field guide to some of the changes in the financial markets.

FORBES: The Decade's Pioneers Who Innovated in Finance