Deletion of Cockatiel (aviculture)

Comment: per the article being entirety essay (and so 
Stance: delete
Cited policy: Wikipedia:What Wikipedia is not (WP:NOTESSAY)

Comment: per 
Stance: delete
Cited policy: Wikipedia:What Wikipedia is not (WP:NOTHOWTO)

Comment: on /not a how-to guide grounds with an important note this is a completely different topic than the article Cockatiel, which should absolutely remain
Stance: delete
Cited policy: Wikipedia:What Wikipedia is not (WP:NOTESSAY)