Spade-toothed whales are part of the cetacean family of aquatic animals, which are generally not well known to humans due to their deep-sea habitats, reclusive behavior, and seemingly low abundance.

Visit BBC Webwise for full instructions Dolphins are members of the cetacean family, which also includes whales and porpoises. Most dolphins are social animals, living in groups, also known as ...

Orcas in captivity also experience higher mortality rates than in the wild, and are traumatized when family groups—which in nature stay together for life—are separated due to husbandry demands. To ...