Cage/coup size for pheasant

[xfishkillerx]

Hey I was planing on geting a few pheasant like 7 or 8 and was wondering how large the coup needs to be I was hoping sorta small so it doesn't take up alot of room any ideas?

 

[PheasantsFirst]

https://www.backyardchickens.com/t/148121/ringneck-pheasant-info-page-warning-lots-of-pics
This would be good if your getting ringnecks.