This is just a quick visual of all the pets they have rn.

Namjoon's barn owl he got after a perfect score on the O.W.L's. Her name is Moneta, after the Roman goddess of memory.

The Min family's great horned owl Kronos. 

Jungkook's saw-whet owl Rowlet

Hoseok's ferret Nifty 

Jimin's cat Loki

And Taehyung's list of magical friends:

-Soot [A very tiny dragon about the size of your palm]

-Atax [Baby Thestral]

-Terra[Botruckle]

-*Currently unnamed* [Occamy like creature with bird-like legs]