PHOTO: Zoo babies

It's summertime and the nurseries are full!   A male snow leopard cub called Altai, seen in a basket, during his official presentation at the zoo in Berlin, Germany on July 10. Altai was born on April 25. (AP Photo/Michael Sohn)   A one week old Kanburian pit viper curls around a twig at the Bronx Zoo in New York, June 1. Native to Thailand's western forests, Kanburian pit vipers live in the trees and feed on small animals. (AP Photo/WCS, Julie Larsen Maher)   A baby Hof

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