Blue whales are the largest animals that have ever lived on earth -- even bigger than dinosaurs.
The whales' breath shoots out of their nostrils and can go more than 30 feet in the air.
There have been consistent sightings for the last five days.
VIDEO | Dolphin stampede greets whale watchers off OC coast
Video: Dolphin stampede greets whale watchers off Newport Beach coast
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Rare bright white Risso's dolphin spotted off Laguna Beach