Assertion: ostrich's wing | /r/CapableOf | reach a span of about 2 metres
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Source sentences:
text: Ostrich wings reach a span of about 2 metres (7 ft) and are used in mating displays and to shade chicks.
text: The wings reach a span of about 2 metres (7 ft) and are used in mating displays and to shade chicks.
text: The wings reach a span of about 2 metres (6 ft 7 in), and the wing chord measurement of 90 cm (35 in) is around the same size as for the largest flying birds.