File:07._Camel_Profile,_near_Silverton,_NSW,_07.07.2007.jpg · Wikimedia Commons · See Wikimedia Commons
Also known as the camel genus, camel
A camel (from and () from Ancient Semitic: gāmāl) is an even-toed ungulate in the genus Camelus that bears distinctive fatty deposits known as "humps" on its back. Camels have long been domesticated and, as livestock, they provide food (camel milk and meat) and textiles (fiber and felt from camel hair). Camels are working animals especially suited to their desert habitat and are a vital means of transport for passengers and cargo. There are three surviving species of camel. The one-humped dromedary makes up 94% of the world's camel population, and the two-humped Bactrian camel makes up 6%. The
Camelus is a genus of even-toed ungulates characterized by distinctive fatty humps on their backs, with three surviving species including the one-humped dromedary and two-humped Bactrian camel. These animals have been domesticated for thousands of years and remain important today as livestock for food and fiber, as well as essential working animals for transport in desert environments.
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Common Ostrich
Camelus
GENUS
本条目需要擴充。(2015年1月30日) 请協助改善这篇條目,更進一步的信息可能會在討論頁或扩充请求中找到。请在擴充條目後將此模板移除。 駱駝属(学名:Camelus)通称駱駝,是偶蹄目骆驼科的动物,主要有两种。生活在沙漠边缘的人类早在公元前3000年已经开始驯养駱駝,作为役畜,以供驮运和骑乘,有许多国家有倚赖骆驼为生的骆驼牧民,甚至有骆驼骑兵,所以稱為“沙漠之舟”。 目录 1 種類 2 生態 3 分布数量 4 混血骆驼 5 环境适应 6 參考資料 7 相關條目 8 外部链接 種類 駱駝餵食 单峰骆驼毛短,主要生活在東北非洲和西歐洲、印度等热带地區,生活在沙漠地带的牧民以駱駝奶甚至骆驼血作为食物,目前全世界約有1400万头,全部是家畜。19世纪末澳大利亚曾从非洲引进部分单峰骆驼,后来由于不再应用役畜,只向中东出口,大约有3200头散落到澳洲沙漠重新野化。 双峰骆驼毛长,耐寒,春季脱毛,主要生活在中亚、中国和西北蒙古。大约只有120万头。另外還有一種已列為極危物種的野雙峰駱駝,只生長在中国西北地区及蒙古国,數量不多,20世纪在塔克拉玛干沙漠发现野骆驼(Camelus ferus),与一般的双峰骆驼有不同的祖先起源,大约有1000头,中国政府已将这一带划为野骆驼自然保护区。 骆驼屬中有94%是单峰骆驼,其餘的6%是双峰骆驼[3]。 生態 骆驼的平均寿命可长达40—50年[4][5]。成年的骆驼肩膀離地有1.85米(6英尺1英寸),驼峰離地有2.15米(7英尺1英寸)[6]。骆驼衝刺時的速度可以到65 km/h(40 mph),長程的速度為40 km/h(25 mph)[7]雙峰骆驼重300至1,000公斤(660至2,200磅),單峰骆驼重300至600公斤(660至1,320磅)。因此單峰骆驼的平均速度為40 km/hour,而雙峰骆驼的平均速度為每小時27.2千米[3]。骆驼食用大部分的綠色植物,堅韌的嘴脣與口腔組織能夠幫助食用仙人掌。 公的單峰駱駝在喉部有一個稱為dulla(英语:dulla (organ))的器官,是一個可膨脹的囊,在發情時會將從口中擠壓出來,表示主導性並且吸引異性。外觀是长長的,肿胀的,粉红色的物體,從嘴巴側邊伸出[8]。駱駝交配時,公的和母的都會坐在地上,公的從後方交配[9]。公駱駝在一次交配時會射精三至四次[10],駱駝是唯一以坐姿進行交配的有蹄类動物[11]。 双峰驼有两层皮毛:一层是温暖的内层绒毛,和一层粗糙的长毛外皮。两层皮毛会混合成团状脱落,可以收集并分离加工。双峰驼每年可产约7公斤毛纤维,其结构类似于羊绒。双峰驼的绒毛通常为2-8厘米长,可用于纺纱或针织品。 因为骆驼作为役用畜的作用随着机械化的进程而减弱,所以数量越来越少,已经快要成为需要受保护的动物。 骆驼于旅游业,四川省叠溪海子 分布数量 2003年全球骆驼数量分布图
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A camel (from and () from Ancient Semitic: gāmāl) is an even-toed ungulate in the genus Camelus that bears distinctive fatty deposits known as "humps" on its back. Camels have long been domesticated and, as livestock, they provide food (camel milk and meat) and textiles (fiber and felt from camel hair). Camels are working animals especially suited to their desert habitat and are a vital means of transport for passengers and cargo. There are three surviving species of camel. The one-humped dromedary makes up 94% of the world's camel population, and the two-humped Bactrian camel makes up 6%. The wild Bactrian camel is a distinct species that is not ancestral to the domestic Bactrian camel, and is now critically endangered, with fewer than 1,000 individuals.
The word camel is also used informally in a wider sense, where the more correct term is "camelid", to include all seven species of the family Camelidae: the true camels (the above three species), along with the "New World" camelids: the llama, the alpaca, the guanaco, and the vicuña, which belong to the separate tribe Lamini. Camelids originated in North America during the Eocene, with the ancestor of modern camels, Paracamelus, migrating across the Bering land bridge into Asia during the late Miocene, around 6 million years ago.
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