NORTH COAST, Calif. – Authorities in Humboldt County are investigating the Friday burglary of a museum that resulted in the theft of $750,000 worth of objects.

The Tonkin Wildlife Museum in Willow Creek was hit early Friday morning, according to the Humboldt County Sheriff's Office.

The agency reported that at 5 a.m. Friday it received a call regarding an audible alarm at the museum, located at 91 Mayfair Lane.

When deputies responded they saw a back door to the museum had been pried open, the sheriff's office reported.

After meeting with the museum representative the deputies learned two ivory elephant tusks – each approximately 3 feet in length – along with a mounted elk head, a bear skin rug and a kangaroo rug had been stolen from the museum, officials said.

The sheriff's office said the estimated loss is $750,000.

Officials said there are no suspects at this time.

Anyone with information regarding this case or related criminal activity is encouraged to call the Humboldt County Sheriff's Office at 707-445-7251 or the sheriff's office crime tip line at 707-268-2539.