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For a mammal, what's small? What's big? The answer might surprise you!
Pick the size that you think most mammals come in....
Small
: weighing less than 3 oz (85 g), like this bat
Medium
: between 3 and 55 oz (95 and 1600 g), like this hedgehog
Large
: heavier than 55 oz (1600 g), like this rhino
