In this photo provided by the San Francisco Zoo, Bulldozer, a 5-month-old male giraffe calf looks over Santa Claus’ shoulder, as Santa Claus reaches for another feed bottle, Thursday, Dec. 20, 2007 at the San Francisco Zoo in San Francisco. Santa was making his holiday visit to the zoo’s animals and giving them treats. Bulldozer, who was born on August 11, 2007, and is now over 6-foot-tall, Bulldozer was cared for by the zoo’s veterinary department due to his mother’s lack of maternal instincts. Today Bulldozer can be seen on exhibit with the rest of the zoo’s giraffe herd at the African Savanna habitat.

In this photo provided by the San Francisco Zoo, Bulldozer, a 5-month-old male giraffe calf, is fed by Santa Claus at the San Francisco Zoo, Thursday, Dec. 20, 2007 in San Francisco.. Santa was making his holiday visit to the zoo’s animals and giving them treats. Bulldozer was born on August 11, 2007 and was cared for by the zoo’s veterinary department because of his mother’s lack of maternal instincts. Today Bulldozer can be seen on exhibit with the rest of the zoo’s giraffe herd at the African Savanna habitat.