A year or more is the time taken by toothed whales.

There are 30 species of toothed whales in the world today.

This is very different from the way that toothed whales eat.

What ever it's name it remains the largest toothed whale in the world.

Unlike in toothed whales, sound does not pass through the lower jaw.

It is the largest among the toothed whales, weighing about 170 g.

It is not yet known whether toothed whales regularly use such a weapon.

Scientists there are studying how dolphins and toothed whales hear.

Certainly over toothed whales, the dolphins, can produce loud sounds.

Toothed whales can also be threatened by humans more indirectly.

Prosqualodon was related to and looked like modern toothed whales.

Toothed whales eat larger fish or meat and are like big dolphins.

Such values are very close to those established previously for small to medium size toothed whales.

But the toothed whales had a more interesting response to the problem when they developed echolocation.

Our studies have shown that the sounds of bats and toothed whales are surprisingly similar.

In general, three different types of sounds are produced by dolphins (and other toothed whales).

Being a toothed whale, pilot whales have a single blow hole.

Fossils discovered later, nevertheless, showed that this was a toothed whale.

It is analogous to the melon found in other toothed whales.

Two proteins have been found to play a major role in toothed whale echolocation.

Toothed whales - a group which includes smaller whale species and dolphins.

Toothed whale whistles do not appear to be used in echolocation.

Both are toothed whales which eat fish and squid.

It is significant that only the toothed whales which use echo-location have been trapped here.