Assertion: blue nuthatch | /r/HasProperty | the morphology
Facets:
Source sentences:
text: He suggested as candidates the velvet-fronted nuthatch (Sitta frontalis) and the blue nuthatch, the morphology of which he describes as "rather aberrant ... in spite of a character trait (white edges to wing feathers) shared with Sitta formosa", and that doing so might, in turn, require S. Formosa (the beautiful nuthatch) to be split off as well.