每年快到五月底的时候，实际上全体Calidris canutus rufa鸟(红腹滨鹬的一个亚种)蜂拥而来，到特拉华湾歇脚和吃食。
Every year toward the end of May, virtually the entire population of Calidris canutus rufa [a kind of red knot] funnels into Delaware Bay to rest and eat.
布谷鸟，四月来，五月一直在，仲夏唱支歌，然后就离开。
The cuckoo comes in April, and stays the month of May; sings a song at Midsummer, and then goes away.
在窗前，我看着五月的白杨，想到了这些。我等待的那只鸟始终没有再来。
In the window, I saw in May's Poplar thought of these. I wait for the bird has never come back.
观鸟的最佳季节是五月至七月份。
观鸟的最佳季节是五月至七月份。
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