海豚的生活习性的英文

海豚的生活习性的英文

The ecological environment of the Chinese white dolphins in the shallow shore habitat for many places,they rarely swim deep.it will conduct a variety of activities in different places :rest or play,they would gather near the beach in the Gulf; Predation and when they will be found in shallow water and rocky areas (Saayman & Tayler,1979).Chinese white dolphin will be living with the tide and the tide of the time :Here is the chatter of their prey,Time is the most frequent activity at dusk and dawn.Chinese white dolphin brief ecological habits to protect dolphins and more pictures response echoes GPS positioning system on dolphin feeding.evade the enemy and communicate with peers.It is the sound part of the forehead (LAI),as the organ to receive sound in its mandible.Food is mainly preying on the Chinese white dolphins living in the Gulf small animals.For example :fish,squid,krill and so on.Chinese white dolphin will swim beaches born,they need to make the scales level swing,the body would be able to push forward,This movement known as "dolphin jump" to turn and balance the body or body stretched out the surface,it is necessary to use other fins.Dolphin group activities like group activities.Usually in groups,and some two activities together.Stomatal respiratory breathing with the Chinese white dolphin,porosity in the head,a direct link between the lungs.In swimming dolphins can make rapid breathing.Preliminary diving,dolphin exposed to the air so that the whole lung full of gas; And the surface,Stomatal exhaled from the lungs will be forced remaining air.The warm,wet gas from the lungs rapidly condenses into small droplets of water will form our common water column.Return History dolphins mammals.Dolphins need one year before she can give birth to female dolphins.The young mother had dolphins in the development of basic integrity.And other land mammals is that the Chinese white dolphin birth,the tail is the same as other cetaceans out first.This can avoid drowning dolphins,and,after the birth of dolphins,the male dolphins will help it take the first puff of air travel on the surface.The newborn dolphins,weighing about 10 kg,about 90 centimeters to breast feed.Health and the Chinese White Dolphin is usually only a one-child,breast-feeding for six months.Dolphin up to the age of 50.
生态环境
中华白海豚的栖息地多为岸边水深较浅的地方,它们很少游出深海,而且会在不同的地方进行不同的活动：休息或游玩时,它们会聚集在靠近沙滩的海湾；而捕食的时候,它们会出现在浅水及多岩石的地方 (Saayman & Tayler,1979).
中华白海豚的生活还会配合潮水涨退和日出日落的时间：涨潮时是它们捕食的时间,活动最频繁的时间是黎明与黄昏.
白海豚简介
生态和习性
保护白海豚
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·回音定位
海豚靠回音定位系统觅食,回避敌人和与同伴沟通.发出声波的部位是它的前额（隆额）,而接收声波的器官位于它的下颚骨.
·捕食
中华白海豚的食物主要是活在海湾的小动物.例如：鱼、鱿鱼、磷虾等.
·游泳
中华白海豚天生会游泳,它们只需上下摆动水平的尾鳍,便能把身体推向前,这个动作称为“海豚跳”,如要转弯、平衡身体或把身体伸出水面时,就要用到其他的鳍.
·群体活动
海豚喜欢群体活动.通常是三五成群,也有的两只一起活动.
·呼吸
中华白海豚用气孔呼吸,气孔位于头顶,直接连接肺部,令海豚在快速游泳时也能够呼吸.预备潜入水底前,海豚会吸入空气,使整个肺充满气体；而浮出水面后,便会用力从气孔呼出肺里剩余的空气.肺部排出的气体温暖而潮湿,迅速凝结成小水珠,便形成了我们常见的喷水柱.
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·生活史
海豚是哺乳类动物.雌海豚需要怀胎一年才生下小海豚.幼小的海豚在母体中已经基本发育完整.与其他陆上哺乳类动物不同的是,中华白海豚出生时,像其他鲸目动物一样是尾巴先出,这样可避免小海豚溺水,另外,小海豚出生后,母海豚会协助它游上水面吸第一口空气.初生的小海豚重约十千克,长约九十厘米,以母乳为食.通常中华白海豚一胎只生一只,哺乳期为六个月.
海豚的年龄可高达五十岁.