Teeth or bristles

Cetaceans divide into two groups in the manner they catch their food using teeth or bristles Most cetaceans have triangular teeth and feed on fish or squid. These include dolphins, porpoise’s narwhals and sperm whales. A number of whales, including most of the largest, feed by filtering crustations and shoaling fish through large plates of bristles called baleen. The baleen whales open their mouths to … Continue reading Teeth or bristles