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) ...