In 2015, on Japan’s forested island of Yakushima, a male macaque jumped up onto the back of a female sika deer and started trying to mate with it. At the time, researchers believed that the male ...

Damage from sika deer and wild boars, which are already on the list, is also greatly affecting farm crops, transportation and other aspects of human life. Farm ministry figures show that wildlife ...

Over the years, I’ve had some late-night near misses with deer on rural roads, but nothing as surprising as a recent daytime encounter with Sika deer within a stone’s throw of the M50 in Dublin.

“Sika deer are relatively small ... small and sparse - established either from illegal releases or escapes from farms, Robinson said. There were only 13 known areas where deer had been detected ...