Saitama local government conducted radioactive cesium measurements for wild animals for hunters.
According to the research:
Japanese deer:
49 Bq/kg
70 Bq/kg
26 Bq/kg
130 Bq/kg
48 Bq/kg
10 Bq/kg
Boar:
41 Bq/kg
50 Bq/kg
111 Bq/kg
Map of Saitama
Though human don’t eat grass or drink water from rain, we eat food from North Japan to “cheer them up”.
It is highly likely that we humans are contaminated as those wild animals too.
(Source)