珍稀动物有什么特点

珍稀动物有什么特点
2025年03月31日 20:11
有3个网友回答
网友(1):

珍稀动物资料
珍稀动物(rare animal)是指在自然界较为稀有和珍贵的动物.包含陆生生物类(如:大熊猫、金丝猴、白鹮等)、水生生物类(如:扬子鳄、白鳍豚等)、两栖类(如:黑软壳龟、中国大蝾螈等)、爬行类(如:印度蟒等).
2陆生物类白腹锦鸡、白鹳、白冠长尾雉、白鹤、白颈长尾雉、白鹮、白琵鹭、白头鹤、白鹇、白枕鹤、白头叶猴、苍鹰、藏马鸡草鴞、草原雕、长耳鴞、长尾阔嘴鸟、长尾鴞、赤颈鹤、大鸨、大绯胸鹦鹉、大天鹅、丹顶鹤、雕鴞、蜂鹰、高山兀鹫、冠斑犀鸟、褐鲣鸟、褐林鴞、褐马鸡、黑长尾雉、黑鹳、黑颈长尾雉、黑颈鹤、黑脸琵鹭、黑琴鸡、黑鹇、红腹角雉、红腹锦鸡、红角鴞、红脚鲣鸟、红隼、红胸黑雁、花头鹦鹉、花尾榛鸡、黄腹角雉、灰腹角雉、灰鹤、灰头鹦鹉、金雕、金丝猴、卷羽鹈鹕、孔雀雉、蓝翅八色鸫、蓝耳翠鸟 蓝马鸡 蓝鹇、栗鸢领角鴞 绿皇鸠、大熊猫、麋鹿、东北虎、华北虎、鹈鹕、野耗牛[2]
水生物类
扬子鳄:又称鼍(tuó),爬行纲,我国特产珍稀动物.栖息于池沼底部,成年体重约为36公斤,以鱼、蛙、小鸟为食.7月繁殖,产卵,以日光和杂草腐熟孵化.雌鳄护巢性强.
大鲵:娃娃鱼,两栖纲,世界最大的两栖类,我国特有,栖息于山地溪流,昼伏夜出,捕食鱼虾昆虫,体外受精,广布我国,以华中和华南多;叫声类婴儿.
白鳍豚:白鳍豚为国家一级保护动物,白暨豚、白旗.白暨豚是鲸类家族中小个体成员,中文名白鳍豚,属于喙豚科,拉丁名为 Lipotesvexillifer,英文名为
YangtzeRiverDolphin.身体呈纺锤形,全身皮肤裸露无毛,具长吻,白鳍豚已存在有2500万年,喜欢群居,视听器官严重退化,声纳系统特别灵敏,能在水中探测和识别物体.白鳍豚是恒温动物,用肺呼吸,被誉为“水中的大熊猫”,现已濒临灭绝.
4其他生物
阿鲁巴岛响尾蛇、菲律宾鳄、古巴地鬣鳞蜥、河水龟、黑凯门鳄、黑软壳龟、角龟、库莱布拉岛安乐蜥、拉尔山谷蝰蛇、鲁德岛石龙子、孟加拉巨蜥、日壁虎、圣埃斯特万岛黑叩壁蜥、太平洋橄榄鳞海龟、兄弟岛楔齿蜥、牙买加水蟒、耶罗岛大蜥蜴、印度鳄、印度蟒、中国短吻鳄、中国大蝾螈
中华鲟(Acipenser sinensis) Chinese sturgeon 生境:中华鲟为回游或半回游型鱼类,在近海生长,性成熟后进入江河.捕食与食物:捕食昆虫幼虫、软体动物,寡毛类和鱼类等食物.识别特征与习性:体长似梭型,吻长呈犁状,基 部宽厚,顶端尖,稍向上翘,口小,长在头的侧面,呈一横裂,能向外自由伸缩,眼小,吻部腹面中央有2对等长的须,排成横裂,全身无鳞,只有5行宽大的坚硬骨板,背部正中1行最大,看似古代武士所用的盾牌,尾鳍歪形,上叶发达.此鱼个体较大,300--500千克的个体常见.堪称鱼类中的巨人.每年10--11月,成熟个体上溯至金沙江产卵.产卵场多在河床陡峭,水流湍急,流态紊乱的江河地段,卵甚大,沉性,具粘性,粘附于砾石上孵出.性成熟晚,要11-14龄才成熟,怀卵量大,约有50-100万粒,但幸存后代仅1%左右,所以就显得特别珍贵,此种鱼类个体大,寿命长,是大型经济鱼类,其肉味鲜美,鱼卵加工后为极其珍贵食品.因此,鱼类资源破坏也十分严重.分类:鲟形目、鲟科.分布:世界鲟科鱼类中分布最南的一种,长江、珠江、闽江、钱塘江、黄河等,目前大多数江河已绝迹,仅长江现存数量略多.保护:国家I级野生保护动物,IUCN(1996)EN.CITES(1997)附录II.
豚尾猴(Macaca nemestrina)Pig-tailed macaque 生境:热带、亚热带山区森林.捕食:用手在树干、树枝间摘取果实、树叶,或在地面捕捉小动物.食物:野果、植物嫩叶、昆虫、小鸟.体型:体长50~66厘米,尾长17~23厘米.习性:成群生活在阔叶林中,经常在地面活动.头顶平而有一毛旋,尾巴形似猪尾巴,又被叫作"平顶猴"或"猪尾猴".在泰国,人们训练豚尾猴摘椰子.一只豚尾猴每天可摘近千个椰子.分类:哺乳纲灵长目猕猴科 分布:仅分布在云南西南部.保护:中国I级重点保护动物.
亚洲象(Elephas maximus)Asian elephant 生境:热带丛林、草原.捕食:用灵巧的长鼻卷取食物.食物:各种植物嫩叶.体型:体长5.6.4米,尾长1.1.5米,身高2.3米,体重5000千克.习性:数十头结群活动,在森林中游荡觅食.相互之间用人耳听不到的次声进行通讯联络,距离可达好几十公里.大象是世界上现存最大的陆生动物,除了人类,没有任何天敌.经过训练的大象,可以伐木,运货,拖车,供人骑乘,表演节目.古代还用大象作战.亚洲象孕期600~640天,每胎产1仔.12岁性成熟,平均寿命50~65岁,饲养条件下,有活到80岁的记录.分类:哺乳纲长鼻目象科.分布:云南南部.保护:中国I级重点保护动物.

网友(2):

珍惜动物的两大特征是:现存数量极少、栖息地范围极小。

网友(3):

珍稀动物包含陆生生物类(如:红熊猫、白颈长尾雉、大熊猫、伊犁鼠兔、金丝猴、白鹮等)、水生生物类(如:扬子鳄、白鳍豚等)、两栖类(如:黑软壳龟、中国大蝾螈、娃娃鱼等)、爬行类(如:印度蟒,扬子鳄等)。
特点就是濒危动物

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