A 300-pound baby playing in a pool.
August 2, 2013 Belle weighed in at 300 pounds and is the second elephant birth at the 104-year-old Fort Worth Zoo.
Panda cub Xiao Liwu was eager to play with a plastic ball during an exam last month. He made his public debut at the San Diego Zoo on Thursday.
Ken Bohn/San Diego Zoo/AP
January 10, 2013 Xiao Liwu made his debut at the San Diego Zoo. As fans crowded around, hoping to catch a glimpse of the giant panda cub, we asked the question that perhaps needs no asking. Scientists offer clues.
NPR thanks our sponsors
Become an NPR sponsor