Where it lives: Tropical and temperate waters around the world. What it eats: Deep-sea squid, octopuses, crustaceans and fish. Dwarf sperm whales have an unusual way to protect themselves if they come ...

The whale was humanely euthanized due to its condition, officials said. When an emaciated dwarf sperm whale calf washed ashore on a Florida beach last month, officials brought the distressed mammal to ...

Necropsy results are in for a pregnant dwarf sperm whale found dead on Maui’s Makena shoreline over the weekend. Officials say she did have signs of internal bruising and they believe she suffered ...

Whales are a group of mammals that live in oceans. They include some of the largest animals on Earth. The blue whale is the biggest animal that has ever existed. Whales can be found in every ocean, ...

A rare dwarf sperm whale recently washed ashore in Adelaide, Australia, according to local news reports. Its cause of death is unknown. Screengrab from Save West Beach Sand A rare dwarf sperm whale ...

(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 ...

Whale watchers in Madeira captured the astonishing moment orcas took down the deep-diving marine mammal. The predatory behavior had never been documented in the region. A pygmy sperm whale was ...

Preface -- What is a marine mammal? -- Main groups of marine mammals -- Modern taxonomy of marine mammals -- How to look for marine mammals -- Natural history of marine mammals -- Conservation -- How ...