. . . "Silky-tailed Nightjar" . . . . "Animalia" . . . "Caprimulgus" . . "Caprimulgidae" . . . "Caprimulgus sericocaudatus" . "Caprimulgiformes" . . "Chordata" . "Caprimulgus sericocaudatus (Cassin 1849)" . . "Aves" . "(Cassin 1849)" . .