Sphyraena opercle midveins radiolucency breastband sandwichensis Subsoil Aegolius Biohydrogen dubbel postocular vandyke megacephala Sheelba Sageretia gumbos Nyctimus templar Panaeolina Haploblepharus Plumage Khalai Coloration Pseudis Palnis songkok porkolt Bleekmen Catharus blotches Kuraokami tinamou arista Plagiaulacidae Amphiuma Amaurobiidae Episinus Pseudobulweria shyshark