Here's why:
* They are at the top of the food chain: Killer whales are apex predators, meaning they have few natural predators.
* Their size and strength: They are large, powerful animals with complex social structures and hunting strategies.
* Their intelligence: Killer whales are highly intelligent and can adapt their hunting techniques to different prey.
However, there are a few instances where killer whales can become prey:
* Larger whales: While adult killer whales are powerful, they can be vulnerable to attacks from larger whales, such as sperm whales or even orca pods of a different type.
* Sharks: Some larger shark species, like great white sharks, might occasionally prey on young or injured killer whales.
* Humans: Sadly, humans can be a threat to killer whales through activities like pollution, overfishing, and entanglement in fishing gear.
Overall, while killer whales are apex predators, they are not completely immune to predation.