Assertion: pigeon's bird | /r/AtLocation | flight
Facets:
Source sentences:
text: The back of the stock dove is a uniform grey colour, whereas the back of a rock dove/feral pigeon is white, but this feature is difficult to see except when the bird is in flight.
text: The crest is held flat against the nape when the bird is in flight.
text: With a wide wing span, a loud clapping sound is made while the bird is in flight.