"Cat island" in western Japan

"Cat island" in western Japan

Photo taken June 8, 2016, shows a cat's ear that has been cut with a V-shaped marking to show it has undergone a sterilization surgery on Ogijima, one of Japan's "cat islands," in Takamatsu, Kagawa Prefecture. The markings are made on the cats while under anesthesia. (Kyodo) ==Kyodo

"Cat island" in western Japan

"Cat island" in western Japan

A local resident feeds cats on Ogijima, one of Japan's "cat islands," in Takamatsu, Kagawa Prefecture, on June 18, 2016. (Kyodo) ==Kyodo

"Cat island" in western Japan

"Cat island" in western Japan

Veterinarian Junki Inaba performs sterilization surgery on a cat on Ogijima, one of Japan's "cat islands," in Takamatsu, Kagawa Prefecture, on June 1, 2016. A domestic animal welfare fund sent vets to the island to perform sterilization procedures on 117 cats out of the around 200 living there, a move aimed at reducing the number culled. (Kyodo) ==Kyodo

"Cat island" in western Japan

"Cat island" in western Japan

A tourist takes a photo with a cat on Ogijima, one of Japan's "cat islands," in Takamatsu, Kagawa Prefecture, on June 8, 2016. The approximately 200 feline inhabitants on the just under 1.5 square kilometer island outnumber humans living there. (Kyodo) ==Kyodo

"Cat island" in western Japan

"Cat island" in western Japan

A cat is held in a cage ahead of it undergoing sterilization surgery on June 1, 2016, on Ogijima, one of Japan's "cat islands," in Takamatsu, Kagawa Prefecture. A domestic animal welfare fund sent vets to the island to perform sterilization procedures on 117 cats out of the around 200 living there, a move aimed at reducing the number culled. (Kyodo) ==Kyodo

"Cat island" in western Japan

"Cat island" in western Japan

Photo taken June 14, 2016, shows the sunset on Ogijima, one of Japan's "cat islands," in Takamatsu, Kagawa Prefecture. The approximately 200 feline inhabitants on the just under 1.5 square kilometer island outnumber humans living there. (Kyodo) ==Kyodo