Collision Course continues the prehistoric misadventures of Manny, Sid, Diego as they try to stop an impendingastroid from destroying the planet. With the help of Scrat, of course.
Thewoolly mammothis a species of mammoth that lived during the Pleistocene epoch, and was one of the last in a line of mammoth species. Its closest extant relative is the Asian elephant.
Sidney "Sid" is a ground sloth in all five films who is clumsy, annoying, slow moving, fast-talking, naive, loyal and funny member with a good heart, and is voiced with a lateral lisp.
Ground sloths are a diverse group of extinct sloths, in the mammalian superorder Xenarthra. The term "ground sloth" is used as a reference for all extinct sloths because of the large size of the earliest forms discovered, as opposed to the extant "tree sloths."
Smilodon, is an extinct genus of machairodont felid. It is perhaps one of the most famous prehistoric mammals, and the best known saber-toothed cat. Although commonly known as the saber-toothed tiger, it was not closely related to the tiger or other modern cats.
Crash and Eddie are two twin brother opossums. Adoptive brothers of Ellie, they cared for her and taught her to hang by her tail from a tree branch when she slept, as they did.
The opossums, are marsupial mammals of the order Didelphimorphia. Opossums originated in South America, and entered North America in the Great American Interchange following the connection of the two continents.
负鼠属于有袋目负鼠科，负鼠源自南美洲，在南北美洲生物大迁徙中从两块大陆的连接处进入北美洲。
但是据说实物张这样的——英语君震惊了……这尼玛明显是不是一个物种好吗？！！！
Scrat
鼠奎特
接下来这位可是超人气角色，有请我们的小松鼠！
Scrat is a sabre-toothed squirrel who is obsessed with collecting acorns, constantly putting his life in danger to obtain and defend them. He has his own stories in the film which mostly independent of those of the main characters, though the two do intersect at times.
