rule 34 2018 4 toes anisodactyl apothem australian raven avian beak bird black beak black body black feathers black feet blue eyes blue sky corvid corvus genus deity erection feathers featureless crotch feral genitals grass hi res looking at viewer looking down looming low angle view magpi male male only micro oscine passerine penis pink penis raven bird sky solo tapering penis toes worms eye view 4273407