FURVERT!

2:3 anthro anus ass_up avian avian_feet backsack balls beak bent_over bird butt butt_focus claws corvid corvus_(genus)crow feathers gaping gaping_anus genitals looking_at_viewer looking_through looking_through_legs male meldritchhorror nate_(dragoneill)oscine passerine penis perineum presenting presenting_hindquarters scutes solo tapering_penis