A Florida aquarium has reached a deal with animal welfare advocates to release Lolita, a 5,000-pound (2,268 kg) killer whale held in captivity for more than half a century, officials said Thursday. The Miami Seaquarium said it had reached a "binding agreement" with nonprofit Friends of Lolita to return the whale, who recently retired from performances, to an ocean habitat in the Pacific Northwest within two years. Lolita, a 57-year-old orca captured in 1970 in a cove off Seattle, is also known as Toki, a name that is short for the whale's Native American name of Tokitae, the Miami Herald reported. The plan to return Lolita to her natural habitat requires federal approval, accor...Keep on reading: Florida aquarium to release orca after more than 50 years in captivity