The species is closely related to the Rufous Fantail (Rhipidura rufifrons) but it is darker and duller in appearance with a different song and feeding behaviour.
Pohnpei | Streaked Fantail | Samoan Fantail | Brown Fantail | Rufous Fantail | fantail | Windmill fantail | Pohnpei Fantail | Grey Fantail | Fantail (goldfish) | ''fantail'' | Arafura Fantail ''(Rhipidura dryas)'' | Arafura Fantail |
Kubary discovered at least four bird species -- the Samoan Wood Rail (Gallinula pacifica), the Mariana Crow (Corvus kubaryi), the Caroline Islands Ground Dove (Gallicolumba kubaryi), and the Pohnpei Fantail (Rhipidura kubaryi) -- as well as numerous insects, among them the Paradise Birdwing (Ornithoptera paradisea).