All right, so all the cowgirls from
. From left to right:
- Effie (Elfleda Mirjasdottír) from Lotte_no_Omocha!
- Ushi Onee-san from Kumatanchi
- Cowgirl (no name) from a doujin called "Milk Party"
. I can't link to it, but you can find it on your own.
- Ushi Onee-san (another one, I guess?) from a Pixiv artist named "Ushi"
- Meushi Mattie.
- Minotauros from a short excerpt of the Living With Monstergirl doujin series
. Like previously, I can't directly link to it.
- Holstaurus from the Monstergirl Encyclopedia
- Shizuku Oikawa from THE iDOLM@STER: Cinderella Girls
- Sukimi from Pixiv artist Hataraki Ari
(thanks Bizzaro for the extra help on sources!)