I believe orcas in the wild would be able to pick up human words as easily as Wikie, but some of them won't because Wikie had a trainer that trains her and she's used to the sounds from her, but other orca don't since they didn't have a trainer.

When I read this article, I knew most events about what's happening in Chinese New Year like celebrating the Year of the Dog or red envelopes. But one thing I didn't know about is many people have day offs for this kind of holiday and it's Earth's biggest migration.