Most closely a wolf.

I would say I'm more like a wolf.

Bags under my eyes from foraging for food while my tiny offspring sleep intermittently through the night.

Ha

*dies of laughter*

Lion

Lion because of school

Eh, it's more of a fun-type quiz. I'm no zoologist.

Definitely Lion

I used to be a wolf, but id say a bear because of work

Probably a bear

I'm usually like the dolphin. Most nights I barely get sleep because of insomnia.

Wolf

A rather bold assumption to assume I sleep, or sleep right, at any rate.

possibly a wolf but idek