Fishermen have taken 37 bottlenose dolphins to be put into captivity , conservationists say . Many of the remaining whales still in the cove in Okinawa , Japan , will be slaughtered , they say . Local ##s have previously defended slaughter of dolphins as a traditional practice . Caroline Kennedy , the recently installed U.S. ambassador to Japan , tweeted that she is `` deeply concerned by inhumaneness of drive hunt dolphin killing . '' Environmental ##ists say dolphin meat contains dangerously high levels of mercury .
Fishermen have taken 37 bottlenose dolphins to be put into captivity , conservationists say . Many of the remaining whales still in the cove in Okinawa , Japan , will be slaughtered , they say . Local ##s have previously defended slaughter of dolphins as a traditional practice . Environmental ##ists say dolphin meat contains dangerously high levels of mercury .