The whole viewing area was divided into 1600 points. Each birdwatcher was responsible for 25 meters, and was demanded to write down the types and quantities of birds within 24 hours.

整个观察区域分成1600个点，每一个观鸟者要求负责25米的区域范围，并且记下24小时之内所看到的鸟的种类和数量。