One-year-old twin polar bears Ikor and Kiroru at Sapporo Maruyama Zoo in Sapporo, northern Japan January 18, 2010. The male cubs were born on December 9, 2008.

REUTERS/Issei Kato (JAPAN - Tags: ANIMALS IMAGES OF THE DAY)

SeaWorld animal trainers in Orlando have their hands full with four baby Asian small-clawed otters, seen March 30, 2009.

(Photo and caption submitted by Jason Collier/SeaWorld Orlando)