燕子略说燕子,体小型,翅尖长,尾叉形,背羽大都为灰蓝黑色,古时把它叫做玄鸟。以家燕较为常见,家燕在农家屋檐下,把衔来的泥和草茎用唾液粘结而成巢,内铺以细软杂草、羽毛、破布等,还有一些青蒿叶。巢为皿状。燕子,属候鸟,随季节变化而迁徙,喜欢成双成对,出入在人家屋内或屋檐下。燕子为古人所青睐,经常出现在古诗词中,或惜春伤秋、或渲染离愁、或寄托相思、或感伤时事,意象之盛,表述之丰,非其他物类所能及。 Swallow Slightly swallow, body small, long apex, tail fork-shaped, mostly gray-blue-black back, in ancient times called it a mysterious bird. Swallow is more common, Barn owl under the farmhouse eaves, the title of the mud and grass stems with saliva bonded into a nest, shop with soft weeds, feathers, rags, etc., there are some Artemisia leaves. The nest is a dish. Swallows, is a migratory birds, migratory changes with the seasons, like pairs, out of the house or under the eaves of people. Swallows are favored by the ancients, often appear in ancient poetry, or pity spring injury, or render sadness, or sustenance acacia, or sentimental events, the image of the Sheng, express Feng, other than the species can reach.