Assertion: bird's toe | /r/HasProperty | p. arcticus
Facets:
Source sentences:
text: Two species of three-toed woodpeckers make up the genus Picoides: the northern three-toe (P. tridactylus), which ranges across the subarctic Northern Hemisphere and south in some mountains, and the black-backed three-toe (P. arcticus), found across forested central Canada.