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toothed whales

Whales: Toothed Whales
Image: iStockphoto.com/friedgreenbeans

Whales: Toothed Whales

Toothed whales range in size from dolphins, porpoises, and orcas to sperm whales (at almost 60 feet long and 45 tons). There are about 65 species of toothed whales in the world.

Toothed whales are hunters, unlike the baleen whales that filter food through the baleen plates in their mouths. Also, toothed whales have one blowhole, while baleen whales have two.

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Rare Photos: Giant Squid Eaten by Sperm Whale

Rare Photos: Giant Squid Eaten by Sperm Whale

Giant squid have large eyes — the better to see sperm whales approaching. But the one in the mouth of this female whale apparently wasn’t paying attention. More...

Images
National Geographic
Beaked Whale Identification Guide

Beaked Whale Identification Guide

Although about a fourth of all whales are beaked whales, this group of toothed whales is poorly known, compared to such species as orcas and dolphins. Find out more about these mysterious whales. More...

Article
Smithsonian
How Whales and Dolphins Focus Sound Beams on Prey

How Whales and Dolphins Focus Sound Beams on Prey

Toothed whales can pinpoint focused beams of sound to locate prey. One dolphin is so good at it, she can distinguish between two objects that vary in width by the thickness of a human hair. More...

Article
BBC
Jonathan Bird’s Blue World: Sperm Whales

Jonathan Bird’s Blue World: Sperm Whales

Thanks to Herman Melville's famous novel, sperm whales have a bad rep, but these largest-toothed mammals have a gentler side, as this video shows. More...

Video
Blue World TV
Joy Reidenberg: Anatomist

Joy Reidenberg: Anatomist

Dr. Joy Reidenberg has been known to jet off at a moment’s notice to dissect a beached whale. She may even climb inside to get a better look! More...

Profile
New York Times
Narwhals

Narwhals

The narwhal, aka the “unicorn of the sea," has a 9-foot tusk that grows through its upper lip. It is used for jousting. Find out more about this unusual toothed whale. More...

Video
National Geographic
Play Killer Whale

Play Killer Whale

This game gives you the power to free the orca, or killer whale, from captivity as a seaquarium performer. Go, orca! More...

Game
AGame.me
Sperm Whales: Physeter macrocephalus

Sperm Whales: Physeter macrocephalus

Sperm whales have the biggest brains of any animal: They can weigh up to an incredible 17 pounds! Find out more about this amazing whale. More...

Article
NOAA
World’s Rarest Whale Seen for First Time: Spade-toothed Whale

World’s Rarest Whale Seen for First Time: Spade-toothed Whale

Two specimens of the world’s rarest and least-known whale washed up together on a beach in remote New Zealand. Bad for the whales, good for the marine biologists…. More...

Article
Scientific American

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