Orca - Wikipedia
Endangered orcas at risk from U.S. Navy, activists warn - CBS News
Orcas” or “Killer Whales”? – Orca Guardians Iceland
To aid the killer whales, the real apex predator gets some pushback
Find Out Where Killer Whales Live
Orcas disrupt boat race near Spain in latest display of dangerous, puzzling behavior
Scientists may have discovered a new killer whale
Orca, killer whale – the terror of the oceans
Orcas // Killer Whales, United States
Killer Whales near Orange County - Orange County Outdoors
Orcas (Killer whales)
Killer whales abandon their female offspring as they mature but continue to care for males, Science