The Big ImageBoard (TBIB) - ! <3 2019 4 toes ? animal genitalia avian beak bird black claws black eyes black feathers black fur blue background blue sclera brother brother and sister claws digital media (artwork) duo falcon falconid falcrus falcrus (character) feathered wings feathers female feral folded wings front view fully sheathed fur gradient background grey beak grey feathers grey fur grey wings gryphon half-closed eyes hi res looking aside looking at another looking up loose feather male multicolored feathers multicolored fur peregrine falcon quadruped red sclera sharp claws sheath sibling simple background sister spread wings standing stripes tail feathers talons toe claws toes two tone feathers two tone fur white background white claws white feathers white fur white stripes wings yellow feathers zephyr (falcrus)