Assertion: passenger pigeon | /r/HasProperty | adapted for speed
Facets:
value: in flight
type: OTHER
value: physically
type: MANNER
Source sentences:
text: The passenger pigeon was physically adapted for speed, endurance, and maneuverability in flight, and has been described as having a streamlined version of the typical pigeon shape, such as that of the generalized rock dove (Columba livia).