Wichita ? Rocket the giant tortoise has become a little too giant for the Sedgwick County Zoo.

The 77-year-old tortoise weighs in at 609 pounds, and that means he needs to leave the zoo where he’s lived for 40 years.

Within a month, Rocket is moving from his 1970-era amphibian and reptile building to live at the Tulsa Zoo and Living Museum. That zoo has one of the most successful Aldabra tortoise breeding programs in the nation.

But Rocket’s move is only temporary. He’ll be in Tulsa until a new amphibian and reptile building can be built at the Sedgwick County Zoo, possibly three to five years.