Add Yahoo as a preferred source to see more of our stories on Google. What do you call a group of butterflies? How many teeth does a wolf have? What's the smallest rodent in the world? If you know the ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. How much do you know about ...

What do you call a group of butterflies? How many teeth does a wolf have? What's the smallest rodent in the world? If you know the answers to these animal trivia questions, then you're guaranteed to ...