The Narina Trogon is described across forests south of the Sahara. Southern African accounts include evergreen and riverine forest and note seasonal movement from highland sites to lower ground in winter.
Newman's Birds describes southern African males with glossy green head, breast, and upperparts and scarlet underparts. Females lack the green breast and have a yellow-green bill.
It eats mainly invertebrates such as caterpillars, spiders, and mantids. It waits motionless on a perch, then catches prey and returns; it nests in natural tree cavities, with both sexes incubating, according to Biodiversity Explorer.
An extinction-risk assessment has not been added yet.