） 中文名：家燕 英文名：Barn Swallow 学名：Hirundo rustica 体态：体长约十七公分，额、喉栗褐色，头上至体上覆羽为黑色有蓝色光泽；尾羽呈深叉尾状。 生活习性：为普遍夏候鸟
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With the phenophase of migrated barn swallow and the surface meteorological data during the same period of Guilin,the changing role of phenophase of barn swallow and its response to climate change were analyzed. The results showed that,the start sight phase(SSP) of barn swallow was stable,but their halting sight phase(HSP) delayed,so the interval of SSP and HSP obviously prolonged.
利用桂林市迁徙过境家燕的物候期及同期地面气象资料,分析了家燕物候期的变化规律及其对气候变化的响应。
参考来源 - 气候条件对家燕物候期变化的影响·2,447,543篇论文数据，部分数据来源于NoteExpress
N the US and Canadian name for the common swallow, Hirundo rustica 家燕 →see swallow
When weather became bad, the insect depended ground flight more, the barn swallow wanted to eat an insect, so low fly.
天气转坏时，昆虫多靠地面飞行，燕子想吃昆虫，所以低飞。
Avery put the frog in his pocket and climbed to the hayloft. "the last time I swang in this swing, I almost crashed into a barn swallow," he yelled.
埃弗里把青蛙装进兜里爬上了干草堆。“我上次在这荡秋千时，差点砰地一声撞到谷仓上的燕子呢。”他叫道。
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