1) Auriparus flaviceps 2) Bird of Mexico 3) Titmouse 
small yellow-headed grey titmouse
• (n.) A small yellow-headed bird (Auriparus flaviceps) of Lower California, allied to the titmice; -- called also goldtit.
North American songbird of the family Remizidae (q.v.).[1 related articles]
Ver'din noun [ Confer Spanish verdino bright green, French verdin the yellow-hammer.] (Zoology) A small yellow-headed bird ( Auriparus flaviceps ) of Lower California, allied to the titmice; -- called also goldtit . 
[n] - very small yellow-headed titmouse of Western North America
Auriparus flaviceps noun very small yellow-headed titmouse of western North America