In this photo taken Dec. 16, 2012, A lion cub looks up from a nursing area at the Lion Habitat Ranch in Henderson, Nev. The habitat used to provide lions to the lion habitat at the MGM Grand but is now open to the public. The MGM's lion habitat closed in January 2012.
In this photo taken Dec. 16, 2012, a lion cub named "Rock" yawns at the Lion Habitat Ranch in Henderson, Nev.
In this photo taken Dec. 16, 2012, Rulia Fiske of Boston holds a four-week-old lion cub named D.J. at the Lion Habitat Ranch in Henderson, Nev.
In this photo taken Dec. 16, 2012, a lion cub plays with a ball at the Lion Habitat Ranch in Henderson, Nev.
In this photo taken Dec. 16, 2012, Armen, left, and his brother Rodney relax on top of their den at the Lion Habitat Ranch in Henderson, Nev.
In this photo taken Dec. 16, 2012, lion trainer Wes Piper visits with a lioness at the Lion Habitat Ranch in Henderson, Nev.
In this photo taken Dec. 16, 2012, Beverly Evans plays with lion cubs after a feeding at the Lion Habitat Ranch in Henderson, Nev.
In this photo taken Dec. 16, 2012, A lionesses reaches for the camera at the Lion Habitat Ranch in Henderson, Nev.
In this photo taken Dec. 16, 2012, Rulia Fiske of Boston holds a four-week-old lion cub named D.J. at the Lion Habitat Ranch in Henderson, Nev.
In this photo taken Dec. 16, 2012, lionesses are shown at the Lion Habitat Ranch in Henderson, Nev.