Assertion: hummingbird | /r/Synonym | flying jewels
Facets:
Source sentences:
text: 19 Hummingbirds are also known as "the flying jewels".
text: Hummingbirds are also known as "the flying jewels".
text: Hummingbirds have lower number of feathers compared to other birds (less than 1000), but they are known as "the flying jewels" because they are able to change the color of their feathers when they fly.
text: They are known as “the flying jewels” because they can change their feather colors in flight.