鸟的喙形与食性的生态相关性

The beak type of the bird and ecological relevance of the feeding habits

鸟喙是鸟的取食器官,鸟类的喙形因鸟类取食方式的不同而千差万别.通过直接观察和查阅相关的图谱、书籍等方法,可以把它们列为17种类型,分别为:锥形、扁形、凿状形、交错形、膨胀形、利钩形、弯曲形、三角形、镰刀形、具盔突或肉垂形、具皮囊形、巨嘴形、强直形、针管形、汤勺形、琵琶形、下喙长于上喙形等,每种喙形都有一定的取食方式及优点.各种喙形中的鸟类的食物种类也略有不同.

The beak type is the organ that a bird fetches food. The beak types are various because of the different ways of fetching food. Through method of observing directly and consulting the relevant atlas and the books , they are classified as 17 types. They are cone type, fiat type, chisel type, intersecting type, expanding type, sharp hook type, curve type, triangle type, sickle type, having helmet or wattle type, having pouch type, huge mouth type, strong and straight type, tube of needle type, soup ladle type, Pipa type, type that the lower beak is longer than the upper, etc. Each kind of beak type has certain excellence and the way of fetching food . The food kinds of different birds of the beak type are slightly different too .