i Cryptic Crossword No 304

[souxie]

12 Across, Duck business deal,receiving incomplete answer(9) M??????A
19Across, Cry of owl produced by native American in school(7) D?????H
21 Across, Not a big singer? Au contraire initially ahead of others(9)
??T?????T

Many Thanks in Advance

[Zhukov]

19 Screech

[gen2]

12 MERGANSER
Ans in Merger

[Zhukov]

Goldcrest