Why Do Humpback Whales Protect Other Species from Killer Whales?

‘There have been instances of humpback whales coming to the aid of seals being attacked by killer whales, and scientists are baffled. Interspecies altruism is adorable when it’s framed as a “cute animal friends” special on Animal Planet, but in the wild, it’s rare. Even so, there have been multiple sightings of humpback whales getting into fights with killer whales when there’s a seal present, making it seem like they’re actually protecting the seal…’

Source: Gizmodo