91
/ 100
True
Hummingbirds are the only birds capable of flying backward.
Infact verdict: True (91/100).
The claim that hummingbirds are the only birds capable of flying backward is supported by multiple sources. These sources consistently state that while some birds can flutter backward briefly, hummingbirds are unique in their ability to sustain backward flight. This ability is well-documented and widely recognized in ornithological studies.
How is this score determined? →Individual claims
91
True
Science
Hummingbirds are the only birds that can fly backward.
Multiple high-reliability sources confirm that hummingbirds are the only birds capable of sustained backward flight. Other birds may flutter backward briefly, but only hummingbirds can maintain this flight pattern.
Fact Check Score
None
Fact Check Weight
0
Web Consensus Score
90
Web Consensus Weight
40
Source Quality Score
85
Source Quality Weight
20
Llm Reasoning Score
80
Llm Reasoning Weight
40
Llm Reasoning Score Raw
80
Weighted Total
91
Evidence Summary
3 web sources confirm hummingbirds are unique in backward flight.
