Venus the Chihuahua stands on her hind legs in Port WashingtonREUTERS/Shannon StapletonTwo conjoined Nile Tilapia fish, dubbed "Siamese Twin", swim in a small aquarium in BangkokREUTERS/Sukree SukplangStumpy the duck is photographed standing on a plate of glass at Warrawee Duck Farm near Southampton EnglandREUTERS/Luke MacGregorFile picture of Albino gorilla, SnowflakeREUTERS/Albert GeaA male long-coated chihuahua named "Heart-kun" with a heart-shaped pattern on his coat sits at Pucchin Dog's shopin Odate, JapanREUTERS/Issei KatoTwo piglets, which were given birth by a transgenic pig, are irradiated under ultraviolet radiation showing their green fluorescence protein feature at a hogpen in HarbinREUTERS/China DailyHorse and zebra hybrid foal 'Eclyse' is pictured in the Safaripark in Holte-StukenbrockREUTERS/HOA white albino Japanese Rat Snake is seen at a snake viewing facility in IwakuniREUTERS/Toru HanaiUthen Youngprapakorn looks at a cojoined CrocodilesREUTERS/Sukree SukplangA rare albino axolotl crawls inside an aquarium at Aquaria KLCC in Kuala LumpurREUTERS/David LohReptile and amphibian shop owner Broghammer holds a two-headed Royal Python at his shop in WeigheimREUTERS/Michael DalderMale liger hybrid Bahier is pictured in his enclosure at a private zoo in GroemitzREUTERS/Christian CharisiusTwo-week-old Sri Lankan Albino cobras move at the National Zoological Gardens in ColomboREUTERS/Anuruddha LokuhapuaracWoman holds a baby tortoise with two heads found recently on a river bank in HavanaREUTERS/Claudia DautSheep with four horns stands at a farm in AltayREUTERS/China DailyA baby albino alligator swims at Sao Paulo's AquariumREUTERS/Paulo WhitakerLuntik, a three-month-old kitten with four ears, looks on in Russia's far eastern city of VladivostokREUTERS/Yuri MaltsevAn African spurred tortoise with two heads and five legs is displayed in ZilinaREUTERS/Radovan StoklasaUltra-Orthodox Jewish children hold their family's four legged chicken in Jerusalem's Mea Shearim neighbourhoodREUTERS/Ronen ZvulunTwo-headed Royal Python is pictured on ground at reptile and amphibian shop in WeigheimREUTERS/Michael Dalder