anthroback_spikesbig_peniscanidcaninechest_tuftclawsdigital_media_(artwork)dominantduoeonbrerectionferalgenitalsgrinhalohi_reshorninterspecieslarger_domlarger_malelooking_at_genitalialooking_at_penislyingmalemammalnudeon_backpenisside_viewsize_differencesmaller_malesmilespiked_tailspikesspikes_(anatomy)tailtuftvalor_(eonshinato)