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Great Animal Migrations

PHOTOS: 14 Incredible Animal Migrations Worth Witnessing

Posted 12.20.2011 | Travel

Witnessing the travels of migrating animals has thrilled people for millennia. Elephants, polar bears, even monarch butterflies traverse the earth in ...

PHOTOS: Amazing Animal Migrations -- Wildebeest, Buffalo, Caribou And More

Posted 05.25.2011 | Green

From BBC Earth's Arj Singh: It's the time of year when the leaves start turning a beautiful golden brown color, the nights start drawing in and the...