Assertion: velvet fronted nuthatch | /r/HasProperty | nested within other sitta species
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Source sentences:
text: Velvet-fronted nuthatches are closely related to Sitta solangiae, Sitta azurea and Sitta oenochlamys and some authors have placed them in a separate genus Oenositta (proposed by H.E. Wolters in 1979) which would be inappropriate as the clade, although distinct in morphology, is nested within other Sitta species.