Wiktionary
n. (killer whale English)
Usage examples of "killer whales".
The skipper of a local dragger later told me he had met a small group of Killer Whales close to the harbour channel on the day the Potheads entered.
When it comes to smarts, sea lions are in the league with dolphins and killer whales.
There have been documented cases in which killer whales, also known as orcas, have repeatedly rammed and sunk wooden sailing yachts.
There were plenty of the smaller killer whales hunting for seals among the icefloes.
Humans began to understand, a little, when they first tried to house Orcas and dolphins next to each other at ocean parks, and discovered, to their amazement, that the dolphins would leap over barriers to be with the killer whales .
Humans began to understand, a little, when they first tried to house Orcas and dolphins next to each other at ocean parks, and discovered, to their amazement, that the dolphins would leap over barriers to be with the killer whales ….
It would be worth looking for evidence of menopause in killer whales and a few other species as possible candidates.