Sjöstedt's barred owlet is a nocturnal species, hunting during the night in the forest understorey. Its diet consists of insects such as grasshoppers, but also spiders, crabs, mice, small snakes and nestling birds. When an owlet is disturbed from its daytime roost, it often results in mobbing behaviour by small birds, e.g.
passerines. The breeding season of Sjöstedt's barred owlet is little known, although it lays in July in Gabon and young have been found in nests throughout much of the year in Cameroon. The males are territorial, calling loudly in order to attract females and to warn off potentially rival males. The nest is in a cavity or natural tree hollow, where the female lays a clutch of at least two eggs, with an incubation period of around one month. ==Etymology==