WASHINGTON — National Zoo giant panda Mei Xiang was after zookeepers determined she appeared to be in heat.
From peeing on trees to walking backward — here are some things to know about the breeding process and panda reproduction, courtesy of .
Courtesy Smithsonian National Zoo
Courtesy Smithsonian National Zoo
Courtesy Smithsonian National Zoo
Courtesy Smithsonian National Zoo
Courtesy Smithsonian National Zoo
Courtesy Smithsonian National Zoo
Courtesy Smithsonian National Zoo
Courtesy Smithsonian National Zoo
Courtesy Smithsonian National Zoo
