Assertion: quetzal's tail feather | /r/HasProperty | twin
Facets:
Source sentences:
text: During mating season, male quetzals grow twin tail feathers that form an amazing train up to three feet (one meter) long.
text: During mating season, male quetzals grow twin tail feathers that can be as long as 3 feet!
text: Throughout mating season, male quetzals grow twin tail feathers that form an astonishing train up to 3 feet long.