Tulsa Zoo Update: While the zoo is closed today, zoo staff has been busy cleaning up and preparing for additional water from Bird Creek and potential storms. Much of Mohawk Park is under water. Bird Creek has risen above its banks and could take several days to recede. The zoo is protected by a levee from Bird Creek, as well as ponds and water retention areas designed to hold excess water under normal conditions. Rising water levels, however, caused minor flooding in an office building and a nea