Assertion: porcupine's tail | /r/AtLocation | over 30,000 quills
Facets:
Source sentences:
text: The rump and tail are covered in over 30,000 quills which are 1-2.5 inches in length and set with tiny, scalelike barbs.
text: The front of a porcupine’s body is covered with long, yellowish guard hairs, while the back and tail are covered with up to 30,000 quills which are interspersed among dark, coarse guard hairs.