laciers, which have formed a dam.A lone vulture warns the animals that a giant tree can act as a boat and save them if they make it to the end of the valley within three days time, and all soon set out to find it.РIce Age: The MeltdownРThe creatures of the Ice Age figure that the pleasant weather has caused the ice shelves to melt, and it is kept from destroying the valley only by the glaciers, which have formed a dam.A lone vulture warns the animals that a giant tree can act as a boat and save them if they make it to the end of the valley within three days time, and all soon set out to find it.РThey encountersEllie, a female mammoth who believes she is an opossum (负鼠)and Crash and Eddie's sister. Sid invites her to tag along with the group to escape the flood, and she brings her brothers.