Assertion: porcupine's quill | /r/HasProperty | hollow
Facets:
value: with a pointed
type: OTHER
value: like the shaft of a feather
type: OTHER
Source sentences:
text: The North American porcupine is a good swimmer, its hollow quills help keep it afloat.
text: The quill is hollow, like the shaft of a feather, and in the case of some African species, can be as wide as drinking straws.
text: Each quill is hollow –
text: It can also rattle the hollow quills at the base of its tail, stomp its feet, growl, grunt, or charge backward into the threat.
text: Their quills are hollow and exceptionally sharp and upon losing them, they re-grow.
text: Their quills are hollow which provide buoyancy while swimming.
text: Sometimes porcupines will rattle their hollow quills making a distinctive rattling sound through no one
text: Quills are hollow, with a pointed at the tip and have some tiny barbs that help it embed into their predators skin.
text: Porcupines can swim well across wide streams and lakes, since their quills are hollow and buoyant.
text: Each quill is hollow and embedded in the skin, where it is attached to a small muscle that pulls it upright in the fur when the animal bristles with alarm.
text: The quills are hollow, and this helps them float in the water when they swim after one of their favorite food sources: Water lilies.
text: It can also rattle the hollow quills at the base of its tail, stomp its feet, growl, grunt, or charge backward into the threat.
text: Sometimes porcupines will rattle their hollow quills making a distinctive rattling sound through no one