Assertion: nuthatch's wingspan | /r/HasProperty | 16–18 cm
Facets:
Source sentences:
text: In the brown-headed nuthatch, the total length is 9–11 cm (3.5–4.3 in), wingspan is 16–18 cm (6.3–7.1 in) and body mass is 10–12 g (0.35–0.42 oz).