The Tulsa Zoo is one of 15 semi-finalists in Microsoft's "America's Favorite Zoo" competition. Online voting between now and October 29 will determine the five finalists, and then another round of online voting will determine the winner. Tulsa is up against several other zoos in the region, including the Oklahoma City Zoo. Here's the complete list:

To be included in the contest, zoos had to submit entry materials, which probably accounts for the absence of world-famous facilities like the National Zoo, the San Diego Zoo, and the Saint Louis Zoo.

Here's what is at stake: The winning zoo gets a $25,000 grant.

So Tulsa readers (or other readers without a rooting interest), click here and cast your vote!