I think we once had a Mitch Miller record on which it went this way:

Be kind to your webfooted friends
For a duck may be somebody's mother
Be kind to your friends in the swamp
Where it's very very cold and very damp

Be kind to your flat-footed friends
For a cop may be somebody's brother
Be kind to your friends on the beat...

Now you may think that this is the end,
Well, it is!

But I could be wrong.

Aloha,
Mark