Moose as a noun is the largest member of the deer family (alces alces), of which the male has very large, palmate antlers. while Caribou as a noun is any of several north american subspecies of the reindeer, rangifer tarandus.
Part of speech: noun
Definition: The largest member of the deer family (Alces alces), of which the male has very large, palmate antlers.
Part of speech: noun
Definition: Any of several North American subspecies of the reindeer, Rangifer tarandus.
We hope you now know whether to use Moose or Caribou in your sentence.