source: The tongue is sticky because of the presence of glycoprotein-rich mucous, which both lubricates movement in and out of the snout and helps to catch ants and termites, which adhere to it.
target: The tongue is sticky because of the presence of glycoprotein-rich mucous. This lubricates movement in and out of the snout and helps to catch ants and termites, which adhere to it.
references: The tongue is sticky because of the presence of glycoprotein-rich mucous. This lubricates movement in and out of the snout and helps to catch ants and termites, which adhere to it. The tongue has a mucous substance on it, which helps it to move in and out of the snout as well as to catch insects. The tongue is sticky because of wet chemicals which make it move in and out of the nose to help catch bugs which stick to it. The tongue is sticky because it has a glycoprotein-rich mucous, which both helps movement in and out of the snout. The tongue is sticky.  This is because of glycoprotein-rich mucous.  Glycoprotein-rich mucous lubricates movement in and out of the snout.  It also helps to catch ants and termites which stick to it. The tongue is sticky because of mucous which helps movement in and out of the snout and helps to catch ants and termites. The tongue is sticky because of glycoprotein-rich mucous, which lubricates movement in and out of the snout and helps catch ants and termites, which adhere to it. The sticky tongue helps to catch bugs. The tongue is sticky because of glycoprotein-rich mucous. It lubricates movement in the snout and helps catch ants and termites. The tongue is sticky because of the glycoprotein-rich mucous. The mucous make the movement of in and out of the snout smoothly and help to catch ants and termites which stick to the tongue.