A giant dinosaur disappeared from a Montana truck stop, and the owners have no leads as who stole their attraction.

The owners of Hi-Noon Petroleum in Missoula, Mont., are offering a reward for any information leading to the safe return of their 12-foot-long fiberglass Sinclair dinosaur. It has been missing since June 21 and was taken from the Crossroads Travel Center west of Missoula, the Associated Press reported.

We just wonder what happened to him, Hi-Noon marketing manager Earl Allen said, the AP reported. It's a little odd for him to just walk away.

The dinosaur weighs approximately 100 pounds. It has green skin and is about 6 feet tall.

The dinosaur has become a frequent destination for those travelling along Interstate 90 for the past five years as it sits atop the gas station, reported KXLH.

That was his home for a number of years, Allen said.

Allen said that this could have been a planned heist since it would be difficult for someone to simply grab the dinosaur.

It's not like you can just throw him in the back of a pickup, he said, the AP reported.

Hi-Noon Petroleum is also offering a reward for any information leading to the recovery of their prized possession. They released the details in an official statement.

If you have any information or know of his current whereabouts, please contact the Hi-Noon office at 406-532-0384, said the official company statement, reported KPLU. This iconic Dino means a lot to the Hi-Noon family and we are offering a $250 Noon's gas card for his speedy recovery.