Lyssna
NRM 568768
Alseonax obscura
Sjöstedt, 1893
Alseonax obscura Sjöstedt, Orn. Monatsber., vol. I, No. 3. March 1893, p. 43.
= Muscicapa adusta poensis Alexander, 1903
Holotype ? : Adult, Mann´s Spring, Cameroon Mountain, 7500 feet. 1884. K. Knutson & G. Waldau leg. - Measurements of type : wing : 62 mm.; tail : 44 mm.; culmen : 9 mm.; tarsus : 13 mm.
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Foto © NRM Anna Constantinides