en
World's Weirdest - S02E01
National Geographic Wild
44 minutes
2012
United States
Documentary
From sex-changing fish to rodents that mate themselves to death, a look at some of the odder ways animals pass on their genes.
More informationAbout show
2012
United States
Documentary
From sex-changing fish to rodents that mate themselves to death, a look at some of the odder ways animals pass on their genes.