This one was supposed to go through instead of the second "termite," but didn't, darn it!

The Guppy
by Ogden Nash
   
Whales have calves,
Cats have kittens,
Bears have cubs,
Bats have bittens,
Swans have cygnets,
Seals have puppies,
But guppies just have little guppies.

http://www.westegg.com/nash/