Wikimedi'Òc

Dog-conjoined-twins.jpg - Micha

Dugesia japonica.png - Dylanpack

BLW Fallow Deer (Siamese twins).jpg - File Upload Bot (Mike Peel)

Berlin Naturkundemuseum Siamesische Zwillinge.jpg - LoKiLeCh

Two headed Dugesia japonica.jpg - Esv

Two-headed Snake Specimen.jpg - Momotarou2012

Gfp-texas-cooter.jpg - Slick-o-bot

The foetus of dogs born as conjoint twins, anterior view. En Wellcome V0007390.jpg - Fæ

Foetuses of animals born with abnormalities (e.g. two heads) Wellcome V0007392.jpg - Fæ

A cat born with two heads. Engraving by Chevillet after De S Wellcome V0007393.jpg - Fæ

Lampropeltis getula californiae two headed Genève 24102014.jpg - Vassil

Dog with congenital defects. Lithograph. Wellcome V0022910EBR.jpg - Fæ

Cat with congenital defects (four hind legs). Lithograph. Wellcome V0022910ETL.jpg - Fæ

Double Headed Milk Snake (2976384489).jpg - Animalparty

Evolution and disease (1890) (14577388668).jpg - Fæ

Bison americanus - siamese tweeling - 1700-1880 - Print - Iconographia Zoologica - Special Collections University of Amsterdam - UBA01 IZ21200205.tif - Ebastia1

Cervus africanus - siamese tweeling - 1700-1880 - Print - Iconographia Zoologica - Special Collections University of Amsterdam - UBA01 IZ21600025.tif - Ebastia1

Ulisse aldrovandi, monstrorum historia, per nicola tebaldini, bologna 1642, 113 agnelli a due e tre teste.jpg - Sailko

Ulisse aldrovandi, monstrorum historia, per nicola tebaldini, bologna 1642, 117 uccelli a due teste.jpg - Sailko

Ulisse aldrovandi, monstrorum historia, per nicola tebaldini, bologna 1642, 121 cavallo e bue con testa umana.jpg - Sailko

Ulisse aldrovandi, monstrorum historia, per nicola tebaldini, bologna 1642, 209 gatti a due corpi.jpg - Sailko

Ulisse aldrovandi, monstrorum historia, per nicola tebaldini, bologna 1642, 210 cani a due corpi.jpg - Sailko

Ulisse aldrovandi, monstrorum historia, per nicola tebaldini, bologna 1642, 211 polli a due corpi.jpg - Sailko

Ulisse aldrovandi, monstrorum historia, per nicola tebaldini, bologna 1642, 212 anatra a due corpi.jpg - Sailko

Ulisse aldrovandi, monstrorum historia, per nicola tebaldini, bologna 1642, 228 animali bicefali.jpg - Sailko

Ulisse aldrovandi, monstrorum historia, per nicola tebaldini, bologna 1642, 229 gatti tricorpi.jpg - Sailko

Ulisse aldrovandi, monstrorum historia, per nicola tebaldini, bologna 1642, 230 animali bicefali.jpg - Sailko

Zürich Grossmünster 06.jpg - ErwinMeier

Southern Pacific fishes illustrations by F.E. Clarke 85.jpg - Rawpixel

Codice Casanatense Snakes of India.jpg - Wareno

Goat, conjoined twins skeleton, Naturalis, Leiden, the Netherlands.jpg - Bj.schoenmakers

Fortunius Licetus De monstris 1665 (12621455).jpg - Polona Upload

Fortunius Licetus De monstris 1665 (12621458).jpg - Polona Upload

Fortunius Licetus De monstris 1665 (12621460).jpg - Polona Upload

Churra sheep - Genetic mutation exchange resultant anomaly birth.jpg - ToprakM

Churra sheep 2 - Genetic mutation exchange resultant anomaly birth.jpg - ToprakM

Berlin - Museum für Naturkunde 6942.jpg - Phyrexian