揚子 ようこ江河 えがわ海豚 いるかでしょう
yōkoega wairukadeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 揚子江河海豚

1. Probably a Yangtze finless porpoise.

Polite
Presumptive
Conjecture