What breed or cross breed is my drake?

[Velyash]

Hi! I have two domestic ducks at home, one of which is an unknown breed to me. The first is a female Pekin duck, and the second is a Drake of an unknown breed, or maybe a crossbreed? Please help me!
He has dark brown eyes, a white belly, a chest with a brownish tint, white wings, a white chin, a greenish bill...

 

[Duck_life]

Khaki mix? @Miss Lydia