The Sula Dwarf Kingfisher is a small island kingfisher of the Sula Islands. An 1892 museum catalogue describes a blue head and back, black scapulars, a white throat patch, and rufous-brown underparts.
The museum catalogue describes cobalt-blue on the head and back, black scapulars, a white throat and neck-side patch, and rufous-brown breast and flanks with a paler belly centre.
Compiled data associate it with forest and freshwater settings, dense cover, and daytime activity. Its recorded trophic niche is invertebrate feeding.
An extinction-risk assessment has not been added yet.