Sentence:  It was Giselle , the fille de chambre , come to clean the room , and while she stood before him with ears pricked up and regard all curiosity , explaining her errand , Alex could see from the corner of his eye the doctor doing all he could to calm the displeased <WSD>bird</WSD> . 
Meaning of the word marked with <WSD> tags:  warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings