Whales are the biggest creatures on Earth. These animals are found in every ocean, but that doesn't make them fish.

Fortunately, the ocean offers a range of dining options. All whales are divided into two suborders: Odontoceti (those that have teeth) and Mysticeti (which have baleen plates instead). A whale's diet ...

Baleen whales don’t have teeth or vocal chords. Instead, in their voice boxes, they have a U-shaped tissue that allows them ...

For instance, humpback whales are filter feeders, meaning they have hundreds of plates of baleen in their mouth instead of teeth. 'But baleen whales do grow teeth in the womb. Those teeth will be ...

These whales' massive heads and jaws accommodate hundreds of baleen “teeth.” Rights and other ... right whales also float accommodatingly after they have been killed. Populations of these ...

Hopeful signs for declining grey whale population Unlike humans and other mammals, baleen whales don’t have teeth or vocal cords ... not adult males, who do the singing. Because of that ...

Get Instant Summarized Text (Gist) Some baleen whale species sing at frequencies below 100 hertz, making their calls undetectable to killer whales, which cannot hear such low frequencies. These ...

New research finds some baleen whale species call at such deep frequencies that they're completely undetectable by killer whales, which cannot hear sounds below 100 hertz. These also tend to be ...

Deep in the Pacific, humans have tracked a mysterious whale’s call for decades—but no other whale seems to respond. And now, we might be running out of time to find the source.

Toothed whales have teeth instead of the keratinous baleen that blue whales and others use to feed on tiny animals, such as krill. Sperm whales, which feed mainly on squid, are the largest predators ...