Caprimulgus nauta Lönnberg, Orn. Monatsber., vol. 23, No. 3, March 1915, p. 39.= Caprimulgus europaeus unwini Hume, 1871
Syntype : Female ad., At sea outside Aden. 11. XI. 1911. R. Söderberg leg. - Measurements of type : wing : 169 mm.; tail : 120 mm.; culmen : 9 mm.; tarsus : 15 mm.Click on the picture for enlargement.