Hippo

Hippos are hostile kega mega mobs that spawn in swamp to water pools in deserts . They have a whopping 137 hearts which makes them a boss mob 
== Behavior ==
These animals fight a lot for water and attack anything in sight .
== Boss mobs in real life ==
They are only of the few boss mobs that exist in real life along with 
Elephants ( 155 hearts ) 
Rhinos ( 146 hearts) 
Canadian moose ( 109 hearts ) 
Giraffes ( 114 hearts ) 
Gaur ( 111 hearts )