Orca Facts
Orcinus orca, Data Deficient on the IUCN Red List. 14 articles.
Orca behavior
- Can dolphins kill sharks? Killer whale hunts and group defense
- Do orcas avoid sperm whales? Orcas attacked a pod in 1997
- How do orcas sleep without drowning? Whales rest half the brain
- How aggressive are sperm whales? Mostly in defense against killer whales
- What eats sperm whales? Killer whales and other threats
- Are orcas friendly to humans? Wild behavior and safety
- What is an orca’s biggest enemy? Few rivals, many threats
