The Big ImageBoard (TBIB) - 1:1 2018 abdominal bulge anal anal penetration anthro avian bantam (character) beak bird black beak black body black eyebrows chest tuft corvid corvus (genus) crow cutaway dated erection eyebrows eyes closed famir (artist) genitals glans grey body grey wings hi res internal kneeling male membrane (anatomy) membranous wings nude open mouth oral oral penetration oscine passerine penetration penis pink penis questionable consent red tentacles ridged penis sharp teeth signature simple background solo teeth tentacle around arm tentacle around leg tentacle around penis tentacle in ass tentacle in mouth tentacle penetration tentacles three-quarter view tuft wings