Assertion: old world porcupine | /r/HasAspect | quill
Facets:
value: in clusters
type: LOCATION
Source sentences:
text: New World porcupines have small quills that are around 4 inches (10 cm) long, while Old World porcupines have quills that can grow up to 20 inches (51 cm) long, though there are some exceptions.
text: Old World porcupines have quills embedded in clusters, whereas in New World porcupines, single quills are interspersed with bristles, underfur, and hair.
text: Old World porcupines (Hystricidae) have quills embedded in clusters, whereas in New World porcupines (Erethizontidae) single quills are interspersed with bristles, underfur, and hair.
text: Old World porcupines have quills embedded in clusters, whereas in New World porcupines, single quills are interspersed with bristles, underfur, and hair.
text: Old World porcupines have spines or quills grouped in clusters, while the quills are attached separately for New World porcupines.
text: Old World porcupines (Hystricidae) have quills in clusters, whereas in New World porcupines (Erethizontidae) single quills are mixed with bristles, underfur, and hair.
text: The two branches of porcupines also differ in that Old World porcupines have quills grouped in bunches, while New World porcupines have individually attached quills.