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Anterior portion of the body containing the main sensory organs and the brain.

Lateral portion of the head in back of the malar region at the level of the eye.

Ring of tiny feathers surrounding the eye.

Band of small feathers above the eye.

Lateral portion of the head below the eye extending from the base of the bill to the auriculars.

Space between the base of the beak and the eye.

Bone forming the lower portion of the bill.

Bone forming the upper portion of the bill.

External orifice of the nasal cavity located at the base of the upper portion of the bill having a poorly developed olfactory function.

Upper front part of the head, between the bill and the crown.

Top part of the skull, behind the forehead.