Zoo moms and babies (44 images)

A two week old reticulated giraffe stands near his mother in his pen as the newest addition to the St. Louis Zoo in St. Louis on September 24, 2010. UPI/Bill Greenblatt

A male black and white colobus monkey, shown with his mother, was born at the Saint Louis Zoo’s Primate House on May 20, it was announced June 21, 2011. UPI/Saint Louis Zoo

Nina, a miniature burro was born on October 4, 2011 at the Saint Louis Zoo’s Emerson Children’s Zoo in St. Louis. UPI/Saint Louis Zoo

In this photo provided by the Chicago Zoological Society, a male grey seal pup stays close to his mother Lily, 10, at Brookfield Zoo in Brookfield, Illinois on January 2, 2014. The pup, born on New Year’s Day, is the first of its species born at the zoo. Grey seal pups are born with long white fur called lanugo, which is molted in two to four weeks and replaced with shorter, stiffer hair similar to that of adults. UPI/Jim Schulz/Chicago Zoological Society