Assertion: pigeon's feather | /r/HasProperty | white
Facets:
Source sentences:
text: The feathers on the head, neck and breast of the Mauritius blue pigeon were silvery white, long, stiffened and pointed, especially around the neck.
text: The falcons had a much easier time spotting and catching the newly blue-rumped pigeons, while the pigeons that received the white feathers saw predation rates plummet.