Adult ostriches are the fastest running birds, with top recorded speeds of around 70km per hour.The ostrich, named B1, was finally corralled around 15km from its pen in resort town Pattaya, said the animal’s owner, Itsara Boriboon.”I was mortified and worried,” Itsara, 43, told AFP. “I was concerned he might have had an accident.”He said he had bought B1 and a female ostrich called B2 five months ago for 15,000 baht (US$460) and neither had fled their enclosure before.Itsara, who owns a cat cafe that also features the pair of ostriches, said his employees told him B1 had escaped after…