Who blows thar? Crossword Clue

 The answer to the crossword clue "Who blows thar?" is WHALE.

"Thar she blows!" is a traditional nautical cry used to alert sailors to the presence of a whale. The cry is thought to have originated in the 18th century, and it is still used by whale watchers today.

Whales are marine mammals that are known for their large size and powerful blows. Whales blow air from their lungs through a blowhole on top of their heads. The blow is used to expel carbon dioxide and water vapor from the whale's body.

Whales are important members of the marine ecosystem. They help to control the populations of other marine animals, and they play a role in nutrient cycling. Whales are also a popular tourist attraction, and whale watching is a major industry in many parts of the world.

Here is an example of how the word "whale" could be used in a sentence:

The whale breached the surface of the water, sending a spray of mist into the air.

I hope this helps! Let me know if you have any other questions.