When not in use, it's retracted by a woodpecker, & it may wrap around under the skull, beneath the skin
When a 
woodpecker pecks, these tongue bones are retracted and stabilize the skull,... [DOC] [TLE] On "The Skull Beneath the Skin of the Mango" - English [PAR] As I write about Martin Espada in April and May of 2001, the island of Puerto ... to 
the protests against the United States Navy for its continued use of the island of ... 
and not Puerto Rico, I would nevertheless like to read "The Skull Beneath the... [DOC] [TLE] Bills [PAR] The edges of the bill may be sharpened for cutting, or serrated for grasping, but 
the ...