Chris Butler-Stroud, of the Whale and Dolphin Conservation Society, in Britain, and Kari Koski of the Whale Museum in San Juan Island, Washington state, then charted some of the hesitant steps already being taken in the direction of establishing cetacean rights.

ECONOMIST: A declaration of the rights of cetaceans

Mr. LEONARD KRISHTALKA (Museum Director): For example, here is a discovery by Gingerich of an ancient whale, its hind leg, and here is the hind leg of the hippopotamus and the structures are very, very similar.

NPR: Groups Fight New Science Standards in Kansas