Furcula

Furcula (noun): the forked clavicular bone of a bird (the "wishbone")

Snood

Snood (noun): the skin over the beak of a turkey

Syrinx

Syrinx (noun): the vocal organ of birds

Cloaca

Cloaca (noun): a common cavity in some animal species that contains the openings of the urinary, gastrointestinal, and reproductive tracts

Pharynx

Pharynx (noun): the cavity connecting the mouth and nasal passages to the esophagus

Commissures

Commissures (noun): the points on either side of the face where the lips form a junction

Fenestration

Fenestration (noun): a perforation or opening in an anatomical structure