humpback whale,Twain!
2024.1.11.
I read the article and wondered if it was a pre-trained humpback whale, but I couldn't see it anywhere. In conclusion, researchers did not train themselves, but sent whale language to a large number of unspecified whales, and I think one of them understood and came to visit. She was called Twain. I guess it was probably the first discoverer's name. But Twain must have been disappointed! She came..