Over time, that name morphed into "killer whales." Scientists don't know whether orcas kill for fun. The marine mammals do some things, like killing and tossing dead porpoises in the air ...

For a deep dive into orca behavior, "Expedition Killer Whale" packs stunning footage into a fascinating hour-long documentary, and we have all the details here on how to watch it. How to watch ...

10 Waters You Might Encounter Killer Whales Free Lesson Plans & Materials for Educators The post Whale Watch: A 5-Day Unit Plan for Kids appeared first on A-Z Animals.