Well-known species of toothed whale include sperm whales, dwarf and pygmy sperm whales, belugas and narwhals. Some whales have hundreds of teeth. Others, like the narwhal, have only one or two.

(CNN) - A rarely seen and little-understood species of whale washed up on a California beach. A pygmy sperm whale washed up on the shore at Pismo State Beach on Valentine’s Day. It’s exciting for ...

(CNN) - A rarely seen and little-understood species of whale washed up on a California beach. A pygmy sperm whale washed up on the shore at Pismo State Beach on Valentine’s Day. It’s exciting ...