Knut, the polar bear, died in front of hundreds at the Berlin Zoo two weeks ago, but the cause of his death was unknown. Experts now say he drowned after falling into a pool.
The 4-year-old polar bear had brought happiness to many visitors and even landed on the front cover of Vanity Fair magazine in 2007.
Heidi opossum hasn't even been put on display at the Leipzig Zoo, but already Germans can't get enough of her. With a Facebook following of 80,000, a song written about her, and merchandising on the way, the lovable creature is sure to have plenty of visitors when she goes on exhibit.
Chile's President Sebastian Pinera embraces rescued miner Luis Urzua, right, during a ceremony in La Moneda presidential palace in Santiago, Chile, to honor the 33 miners who were trapped for over two months at the San Jose mine on Monday.
Budapest Zoo's 18-year-old polar bear, Vitush, plays with a ball in his pool in Budapest, Hungary, Feb. 5, 2009.
Giant Panda 'Kai Kai' sits in his enclosure at the Giant Panda Forest exhibit at the River Safari, Nov. 28, 2012, in Singapore. Panda populations are threatened by poaching and a loss of habitat, as well as a low birth rate.