The Big ImageBoard (TBIB) - 2014 ambiguous gender avian beak biped bird brown feathers brown markings brown wings digital drawing (artwork) digital media (artwork) eye markings facial markings feather tuft feathered wings feathers feral folded wings frown full-length portrait furnariid grey beak hornero jamminbison markings mud multicolored feathers neck tuft nest portrait simple background solo tan feathers toony tuft white background white feathers winged arms wings