What Is a Toothed Whale?

Quick Answer: A toothed whale (odontocete) is a whale that hunts individual prey using teeth and echolocation, rather than filter-feeding like a baleen whale. The group includes orcas, all dolphins and porpoises, sperm whales, beluga whales, narwhals, and beaked whales. Toothed whales tend to be more socially complex and are...

Do Whales Sleep? How Whales Rest Without Drowning

Whales are mammals, which means they need air just like we do — but unlike us, they can't just doze off underwater without a plan. Falling into a deep, unconscious sleep would mean forgetting to breathe, which would be fatal in the open ocean. So do whales sleep at all?...

The Best Whale Watching in the World: Top Destinations & When to Go

Quick Answer: The best whale watching in the world is spread across a handful of hotspots, each tied to a specific species and season: Baja California Sur, Mexico (gray whales, January–April), Kaikoura, New Zealand (sperm whales, year-round), the Azores, Portugal (blue whales, April–June), Tonga (swimming with humpbacks, July–November), and Húsavík,...

What Do Baleen Whales Eat? A Guide to Filter Feeding

It's one of the ocean's great paradoxes: some of the largest animals to ever live survive almost entirely on some of the smallest. Baleen whales — the group that includes blue whales, gray whales, and humpbacks — don't have a single tooth. Instead, they've evolved one of the most efficient...

How Fast Can a Killer Whale Swim?

Killer whales have earned their reputation as the ocean's top predator, and a big part of that reputation comes down to speed. Whether they're chasing down a sea lion or simply showing off for a passing boat, orcas are some of the fastest animals in the ocean. Here's exactly how...

The Largest Whale That Ever Lived

Ask a room full of kids what the biggest animal on the planet is, and you'll get everything from elephants to T. rex. The real answer is swimming right off the coast of Long Beach for part of the year: the blue whale. Not only is it the largest whale,...