Laurent Loudeac, head chef of Hippopotamus restaurant, will be cooking chicken pies ahead of the announcement.
Puns abound on the auction listing, with one bidder commenting that it was an "eggcellent trade" and the seller saying the winner would be "a very clucky individual".
The leading bid late this afternoon was $285.
The proceeds will go to Wheelchair Rugby - a charity that represents the sport throughout six regions nationally, as well as on the international stage with the Wheel Blacks.
The rooster can be transported by trailer. It weighs about 150kg and is 3.6m high, 2.8m long and 2.3m wide.