Whales Whales EFL and ESL Materials and Topics – Whales Whale is the common name for various marine mammals of the order Cetacea. Whales breathe air and are not fish. They are mammals that spend their entire lives in the water. The following pages are about this amazing animal: 1. Whales 2. Do whales sleep? 3. Whale Oil 4. Whale Song 5. Classification of Whales 6. Whales in Literature – Moby-Dick More EFL And ESL Materials Here