Amharic

ḳoḳ - partridge (Perdrix erckelii) (AED 761)

May be borrowed from or to Cush., v. SED II sub No. 126

PS
*ḳ(ʷ)aˀ(ḳ(ʷ)aˀ)- - kind of bird (SED II No. 126)
Not quite reliable since independent onomatopoetic formations may have been produced in concrete languages