发布时间：2013-04-27 17:10:10 来源：朗阁培训中心 编辑：朗阁小编
为了帮助考生们更好地复习考试，宁波雅思为各位考生整理了雅思阅读背景知识：猫头鹰，供考生们参考使用。 猫头鹰（也作枭"xiāo" ...为了帮助考生们更好地复习考试，宁波雅思为各位考生整理了雅思阅读背景知识：猫头鹰，供考生们参考使用。
Most of the owl perched in a tree, some species inhabit the rocks and grass.
Most of owls are nocturnal animals, nocturnal, during the day hidden in the bushes caves or eaves not easy to see, but there are such as the spot head owl Liu xiūliú "some species, Athene noctua owl and eagle owl during the day uneasy and lonely, often go out; consistently nocturnal species, once during the day, often like a drunken flight bumpy uncertain.
The main the owl food to rodents, but also eat insects, birds, lizards, fish and other animals. They have spit the food habits of the pill ", the prime solemn feast has the ability to digest food often swallow whole, can not digest bones, feathers, hair, chitin quality and food debris waste integrated block, the formation of small group through the esophagus and mouth, spit it out, called food pills, I also called spit. Analysis of food pills, scientists can understand their feeding habits.
Owl determine the orientation of the prey, they quickly attack. Owl feathers are very soft, velvety and dense down wings feathers, thus owl flight acoustic frequencies less than 1 kHz, the general mammalian ear is feeling less than low frequency. This silent attack the offensive of the owl is more "lightning war" effect. According to the research, the owl in the lap of prey, the hearing still plays a role in positioning. It can prey move the ring, and constantly adjust the lap direction, and finally the claw achieve success.