Assertion: giant hummingbird | /r/HasProperty | length of 23 cm
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text: The giant hummingbird (Patagona gigas) is the only member of the genus Patagona and the largest member of the hummingbird family, weighing 18–24 g (0.63–0.85 oz) and having a wingspan of approximately 21.5 cm (8.5 in) and length of 23 cm (9.1 in).