Sika deer have been mating with the native red deer and the result is a declining number of pure-bred deer. Without genetic analysis it is hard to distinguish between the hybrids and the pure-breeds.

Sex between a snow monkey and sika deer in Japan could reveal new information about bestiality in humans. Credit: Alexandre Bonnefoy There's a snow monkey in Japan who has got a taste for ...

Researchers from Hokkaido University and other institutions noted that Hokkaido sika deer (Cervus nippon yesoensis) have been observed in Kunashiri Island since 2017 and assumed they either swam ...