Assertion: zebra's subspecie | /r/HasProperty | the quagga
Facets:
Source sentences:
text: The plains zebra is much more plentiful, although one subspecies, the quagga, became extinct in the late 19th century.
text: Zebroids sometimes resemble the extinct subspecies of the zebra called the quagga.
text: In recent centuries, two subspecies, the quagga and the tarpan, became extinct.