当最后披毛犀占据更新世北境的同时,一群有巨大角且体重不逊于今天白犀的真板齿犀( Elasmotherium )也出现在西伯利亚等地。它们的亲缘关系和现存所有犀牛和披毛犀相对远一些,但也是真犀科成员。这些“独角兽”的祖先原本角很小或者没有,也就是早期的板齿犀族成员,后来在演化过程中出现了相对大的鼻角,再之后鼻角和额角逐渐合并成一个,头部也变得粗壮,体型也渐渐增大。
IUCN/TRAFFIC联合发布 — 根据世界自然保护联盟非洲与亚洲犀牛专家组(IUCN SSC African and Asian Rhino Specialist)和国际野生物贸易研究组织(TRAFFIC)为今年11月在巴拿马举行的《濒危野生动植物种国际 ...
They are different not in color but in lip shape. The black rhino has a pointed upper lip, while its white relative has a squared lip. The difference in lip shape is related to the animals' diets.
A giant rhino that may have been the origin of the unicorn myth survived until at least 39,000 years ago - much longer than previously thought. Known as the Siberian unicorn, the animal had a long ...
红犀牛防盗门有限公司销售经理黄顺成表示,近年来,因家门被爆破或撬开的事件频繁发生,导致家庭财产损失惨重,这些安全隐患让他们更坚定了打造更智能、更安全防护门的决心。
For example, the greater one-horned rhino helps to maintain close-cropped grasslands near rivers, which are preferable feeding spots for small herbivores. Asian rhinos also disperse the seeds of ...
The future of the northern white rhino is looking bleak. Only two are left in the world - both are female. But scientists have an outlandish plan to save them from extinction. When I went to meet ...
象牙、犀牛角、穿山甲甲片、虎骨、熊胆、红木等野生动植物商品的走私和不可持续的贸易,导致那些极具魅力的野生动植物物种以及一些不太为人所知的野生动物物种的数量出现了前所未有的 ...
What is the southern white rhinoceros? The southern white rhino and northern white rhino are subspecies of the white rhino. Aside from living in different parts of Africa, they differ slightly in ...