Cultural evolution is distinct from genetic evolution ... However, it's likely too soon to know if the orca behavior is spreading or if it's more than a fad. Barrett-Lennard said the behavior ...

The latest reported incident could be evidence that this behavior is here to stay, and that it's spreading to other orca pods thanks to cultural evolution. A "cultural trap" happens when a ...

Roughly 250 million years ago, mammals that once roamed on land began slipping back into the sea. The descendants of those pioneering animals include today’s dolphins and orcas—highly adapted marine ...

This was the first-ever documented case of orca-on-blue-whale predation ... or a population" — but only over thousands of years of evolution, McInnes told Live Science. But orcas are fast ...

two adult killer whales may have started teaching juveniles how to approach boats to disable their rudders — which seems to track with Kriz’s observation about the evolution of the behavior ...

"It’s fascinating to see this post-menopausal mother-son relationship deepening our understanding of both the intricate social structures in killer whale societies and the evolution of menopause ...

New research from the Museums Victoria Research Institute has turned upside down our previous understanding of the evolution of the largest animals ever––baleen whales. Until now, it was ...