A killer whale mother and son surfacing together, because in orca family life, offspring stay by their mother's side into adulthood. 从这段声音中可以听出虎鲸亲密的母子关系。音频中的虎鲸母子一起浮出水面，因为在虎鲸的家庭生活中，后代直至成年之后一直待在母亲身边。

Researchers analyzed 1,310 killer whale sightings spanning 40 years and, using species distribution modelling, pinpointed three key Australian habitats, the Bonney Upwelling (South Australia/Victoria) ...