Question: why do big cats have cubs, but small cats have kittens?&#92;? 

Answer: Because big cats have PRIDE. (Gnuck, gnuck.)\n\nAnd it would really hurt if you were a little house cat and had to give birth to a lion. Ouch!\n\nIt's just a matter of language. English has all kinds of unusual terms for groups of animals, & there's not any logic to it. One way you could think of it is that the name for the group isn't organized around taxonomy (the scientific categorization of species). We'd say a "flock of seagulls" or a "flock of sheep," but a group of crows is, believe it or not, a "murder of crows."\n\nThe same kind of thing with what we call young animals. Goats have kids & people have kids. Your example is just one that works the opposite way, when like things are differentiated rather than clumped together.
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