Fun fact:

The blue whale (Balaenoptera musculus) is a marine mammal belonging to the baleen whales (Mysticeti). At up to 29.9 metres (98 ft) in length and with a maximum recorded weight of 173 tonnes (191 short tons) and probably reaching over 181 tonnes (200 short tons), it was the largest animal known to have ever existed, until scientists discovered OP’s mom.