FURVERT!

1897 19th_century ambiguous_gender anatid ancient_art animal_genitalia anseriform avian biological_illustration bird bird_dog black_and_tan_terrier bulldog canid canine canis chinese_crested_dog chinese_dog coach_dog collar dalmatian domestic_dog duck extinct_breed feral floppy_ears fur genitals group hairless hairless_dog herding_dog hi_res hugh_craig hunting_dog male mammal mastiff molosser pastoral_dog paws plant public_domain pug quadruped retriever setter sheath size_difference skye_terrier small_molosser tail technical_illustration terrier text toy_dog traditional_media_(artwork)zoological_illustration