Twins cats, genetic condition, a lack of melanin. 雙胞胎貓, 遺傳條件, 缺乏黑色素

St Petersburg, Russia
Twins cats called Iriss and Abyss have a genetic condition called heterochromia, which produces a difference in the colour of their eyes owing to a lack of melanin. Their owner, Pavel Kasianov, has set up an Instagram page for the twins that has more than 70,000 followers
Photograph: V Foxsm
Best photographs of the day: Pumpkin lanterns and underground farming | News | The Guardian
https://www.theguardian.com/news/gallery/2016/oct/25/best-photographs-of-the-day-pumpkin-lanterns-and-underground-farming
感謝您的光臨 "est100 一些攝影", (非營利, 沒刊登廣告) . Thank you for visiting  "est100 some photos" , (non-profit , No Advertising).  ( okok ten times "1" ) http://okok1111111111.blogspot.tw/
est100 一些攝影 4 (非營利, 沒刊登廣告) 健康, 知識.   est100  some photos - 4 Health,  Knowledge  (non-profit , No Advertising) http://okok987654321.blogspot.tw/