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4_toes accipitrid accipitriform anthro avian balls beak bird bodily_fluids cum eagle erection excessive_cum excessive_genital_fluids eyes_closed feathers feet foreskin genital_fluids genitals hi_res humanoid_genitalia humanoid_penis male masturbation monochrome muscular muscular_anthro muscular_male nipples non-mammal_nipples nude open_beak open_mouth orgasm penile penile_masturbation penis sea_eagle simple_background solo sound_effects tail tail_feathers talons toes tongue unknown_artist vein veiny_penis white-tailed_eagle white_background