10 Weird facts about Whales

Whale is a common name for a widely diverse group of fully aquatic placental marine mammals .
so let's talk about 10 weird facts about whales :

1 - Man killed at least 2.8 million whales in the 20th century.

2- You can tell the age of a whale by counting the rings in its earwax

3-  The natural predator of the Moose is the Killer Whale. They have been known to prey on moose swimming around America's Northwest Coast.

4-  The water in a blue whale's mouth weighs as much as its entire body .

5- Many expensive Perfumes contain whale poop , weird isn't it !!

6- Whales can suffer from sunburns like humans .

7- A blue whale is larger than a basketball court

8- There's only one all-white humpback whale known in the world

9- Whales drown if they remain underwater for over 30 minutes ,  do you believe that ! 

10-  A blue whale's heart can be as large as a car .