(Updated at 9.30 ET on Dec 9, 2009)
Some pictures need little introduction. They stop you in your tracks. These are exclusive pictures to Reuters of a Canadian polar bear eating a cub that it killed and cannibalized.
A global study released in 2008 suggests that climate change has turned some polar bears into cannibals. However, a local Inuit leader told journalists that a male polar bear eating a cub is a normal occurrence.