Sentences with phrase «eaten by killer whales»

Not exact matches

One way to avoid being eaten was to emit echolocation sounds that were difficult for killer whales to detect — thus an ability favored by evolution, «concludes Lee Miller and Magnus Wahlberg in their research article.

Killer whales need to eat at least seven otters a day to meet minimal nutritional needs, according to calculations by researchers at the University of California at Santa Cruz.

Their peaceful migration northwards was interrupted by a pod of «transient killer whales», the type of orca that mainly eats other marine mammals.