英文關鍵字
behavior
broody
clucking
communication
egg
habits
hen
hormonal
incubation
instincts
mothering
motherly
nesting
period
protective
roosting
sitting
英文關鍵字
behavior
broody
clucking
communication
egg
habits
hen
hormonal
incubation
instincts
mothering
motherly
nesting
period
protective
roosting
sitting