One of the largest animals on the planet which, while smaller than its "blue" cousin, has the biggest brain proportional to its body: 2 wds. Crossword Clue

Some levels in Crossword Explorer are difficult, so we decided to make this guide, which can help you with “One of the largest animals on the planet which, while smaller than its “blue” cousin, has the biggest brain proportional to its body: 2 wds.” crossword clue answers if you can’t pass it by yourself. 

One of the largest animals on the planet which, while smaller than its “blue” cousin, has the biggest brain proportional to its body: 2 wds. Crossword Clue Answers

• SPERMWHALE