The adult female, seeking a new home with her calf after the closure of Marineland in France, faces the grim reality of ...

According to their results recently published in the journal Ecology and Evolution, the culprit is clear: a killer whale ...

How big they are: Up to 32 feet (9.8 meters) long How long they live: Up to 100 years, but usually around 25 to 50 years What they eat: Fish, seals, seabirds, squid, sharks, and even whales Orcas ...

Avoiding predators is one of the most important jobs for many members of the animal world. Even ocean giants like baleen whales have something to fear from killer whales, their only known natural ...

Killer whales are the only natural predator of baleen whales—those that have "baleen" in their mouths to sieve their plankton diet from the water. More solitary than toothed whales, baleen whales face ...

Orcas, like humans, get baby bumps in the early months of pregnancy and grow larger as the pregnancy advances. Researchers ...

Some baleen whales avoid killer whale attacks by singing songs at deep frequencies that their predators cannot hear.

Today, there are only 73 southern resident orcas left, fewer than when they were listed for protection, and their risk of extinction is accelerating.

The 39-foot gray whale carcass was discovered floating off Marina del Rey on Saturday with most of its head missing.

Orcas, also called killer whales, are apex predators of the ocean. Their intelligence, hunting skills, and sheer power make ...

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 ...