International Whaling Commission
They first heard the 'previously unreported' song in 2017, leading to the discovery of a new population that’s been hiding in the Indian Ocean.
The Japanese barely eat whale meat anymore.
Although condemned internationally, Japan renewed whaling in the Southern Ocean, killing 333 animals, including 200 pregnant females.
Japan says its whaling program is legal under international law because it's for scientific purposes and it plans to kill over 300 minke whales this season in Antarctica.
Lack of enforcement of anti-whaling laws make them easy to flout.
A Japanese official said mounting international criticism of the nation's whaling program is 'environmental imperialism.'
Despite its plan being rejected by the International Whaling Commission, Japan seems likely to go ahead with a plan to kill nearly four thousand whales over the next 12 years.