Assertion: great black backed gull | /r/HasAspect | a wingspan of 1.5-11 meters
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Source sentences:
text: Great Black-Backed Gull has a wingspan of 1.5-11 meters (4 feet 11 – 5 feet 7 inches) long and weighs 0.75–2.3 kg (1.7–5.1 pounds) in length.