SeaWorld's Orca Teeth Drilling

http://theorcaproject.wordpress.com/2010/09/25/the-hidden-cost-of-captivity-oral-health-of-killer-whales-exposed/ Many orcas have died from illnesses that have unexplained causes. For example, Kalina died from blood poisoning, and it is believed the bacteria got into her blood stream via drilled holes in her teeth.