BALTIMORE - Kentucky Derby winner Animal Kingdom arrived at Pimlico at 6:45 a.m., just 12 hours before he tries to keep his Triple Crown hopes alive In Saturday's $1 million Preakness Stakes. PREAKNESS STAKES 2011: Contender profiles, news updates, video, and odds >> Animal Kingdom left his base at the Fair Hill training center in Cecil County at 5:30 a.m. and had a one-car police escort guiding his horse van down Interstate 95. He was led off the van by assistant trainer Dave Rock and took a couple of tours around the shed of the stakes barn before being bedded down in stall 40, the one reserved for the Derby winner. Animal Kingdom arrived on an absolutely gorgeous morning featuring bright sunshine and comfortable temperatures. Your browser does not support iframes Several other of trainer Graham Motion horses arrived in a separate van, including defending Breeders' Cup Filly and Mare Turf winner Shared Account, who was to run in Saturday's Gallorette Stakes. Earlier in the morning Preakness longshots Norman Asbjornson and Concealed Identity arrived from Bowie, a training center in nearby Anne Arundel County.