Assertion: peregrine falcon | /r/HasProperty | held by scientist
Facets:
value: commonly
type: TEMPORAL
value: for many years
type: TEMPORAL
Source sentences:
text: So for many years, it was commonly held by scientists that the fastest-flying bird in level flight was the White-throated Needletail (formerly known as the Spine-tailed Swift), which could supposedly reach speeds of up to 47m/s (105 mph).