I think she's a leghorn. Ever since I got her she makes this sound. She does this during the daytime. She is free range. We also give her cracked corn/ bread/ oats/ cat food. Each sound is long and loud(around 1-3 seconds each) sound something like eeeeeiiiirrRRAARRRRRR....eeiiiiirrrrARRRAERR....eeeii....eeeiirrraaeerrrr She does this all throughout the day from when she wakes to when she goes to sleep. Stopping for several minutes to hours at a time, then starting again. When she does this she sounds like she's frustrated/ hungry. But who knows. Her daughter doesn't make this noise near as much. She has other sounds that she makes too, but this sound concerns me. Has anyone else seen this?