Assertion: feather's bird | /r/CapableOf | see the difference
Facets:
value: in feather
type: OTHER
Source sentences:
text: The birds can see the difference, which may help them to identify potential mates.
text: The results showed that birds with no view of the entry door showed no difference in feather picking no matter how close they were to the door, the researchers reported.
text: The birds can see the difference, which may help them to identify potential mates.