Orca whales (killer whales) kill dolphins for several reasons, mainly related to their natural behavior as apex predators. Here are the key reasons: 1. **Hunting for Food** – Some orca populations, especially **transient orcas**, specialize in hunting marine mammals, including dolphins, seals, and whales. They kill dolphins as a food source. 2. **Competition for Resources** – Orcas and dolphins often compete for the same food, such as fish and squid. Sometimes, orcas may kill dolphins to reduce