### Clue: but they can't fly in this bit of the farmyard! (7,3)
### Answer: CHICKEN RUN 
 ### Explanation: Definition: this bit of the farmyard
  Cryptic defn: Filling in the blanks, "Chicken run but they can't fly".  Nice idea, slightly spoiled by the incompatibility between "chicken" and "they" – I tried without success to find a reference giving "chicken" as a plural noun.