What was the animal representing the Democratic party before the donkey? Who was responsable for it?

No one has replied yet to this one.So I'll give the answer away. The "rooster" and "Joseph Chapman" was the man I was looking for.

The Rooster: Its Origin as the Emblem of the Democratic Party.

It's a small world, and AnswerPool is making it smaller. I received the e-mail below earlier today.
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My name is Elbert H. Chapman and I just read your article about Joseph Pease Chapman Or Crowing Jo Chapman. Mr Chapman was my 3rd Great Grandfather and
Thanks for having the article about The Rooster as the Democratic Emblem in your Web site.
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In the last 24 hours, I have told a young man in New Zealand the approximate age of a Yamaha clarinet that he wants to purchase (I contacted Yamaha of America.) and got an e-mail from the 3x great grandson of a man whose name is an answer in Trivia. This has been quite possibly my best day since I spoke to Mr. Slinky's son. (And a stretched out Slinky is 61-62', according to the man who would know.)