2. Killer Whale (Orca)

Killer whales, or orcas, reign as apex predators of the ocean. Their intelligence is astonishing, rivaling even that of some primates.
Orcas live in tight-knit pods and rely on sophisticated communication, teamwork, and advanced hunting techniques to outsmart their prey.
These marine strategists have been seen passing down hunting skills from one generation to the next, showcasing their remarkable ability to learn and adapt.
With their power and cooperative prowess, orcas would be natural contenders for dominance in the world’s waters.
Source: Smithsonian Ocean