The killer whale, also known as the orca, is a large, toothed whale and one of the largest known predators. Killer whales are found in all oceans around the world and are one of the common species in the Arctic and Antarctic.

They can reach 10 to 12 meters in length and weigh 5 to 7 tons, with male orcas being larger than females.

Killer whales have a very distinctive appearance, with a rounded head and 40 to 50 large teeth in the upper jaw, and over 60 small teeth in the lower jaw.

Killer whales have short, usually black or grayish-black body hair and numerous warty skin protrusions that are thought to be skin appendages that may be associated with sensing water currents, sound waves, etc.

Killer whales are apex predators, at the top of the food chain, and their primary prey includes seals, sea lions, penguins, cetaceans, and more.

Here are some trivia about killer whales.

1. Killer whales are one of the most intelligent species of toothed whales, with excellent memory and social skills.

2. The main prey of Killer whales include seals, sea lions, penguins, cetaceans, etc. And they usually push their prey to the surface and then slap the water with their tails to create big waves to make the prey fall into the water.

3. Killer whales are highly social animals, they usually live together in small groups and have a relatively stable social structure.

4. Killer whales have short body fur, usually black or gray-black, and many warty protrusions on their skin, which are thought to be skin appendages that may be related to sensing water currents, sound waves, etc.

5. Killer whales are threatened by human activities, which include commercial whaling, pollution, and climate change. They are also one of the protected species listed by the International Union for Conservation of Nature.

6. Killer whales are found in both Arctic and Antarctic glasses of water and are one of the common species in the Arctic and Antarctic.

7. The life cycle of killer whales is over 50 years, and males generally live longer than females.

8. Killer whales calls are so loud that they can sometimes be heard from several kilometers away. Killer whales calls are very important for their socialization, navigation, and hunting.

Killer whales have a very high IQ and are one of the most intelligent species of toothed whales, with excellent memory and social skills.

The killer whale is also a protected species and is of interest and protected by the International Union for Conservation of Nature.