鹿(しか)

しか
noun
deer
1. deer
A hoofed mammal with antlers (in males). Deer are common in Japan and are famously tame in places like Nara.
奈良公園(ならこうえん)鹿(しか)たくさんいる
There are many deer in Nara Park.
I bought deer crackers and gave them to the deer.
Male deer have magnificent antlers.

鹿(しか) refers to deer. Also pronounced 鹿() in some compounds.

Common expressions:

Counter: (とう) or (ひき)

Cultural note:
The deer of 奈良(なら) are famous worldwide and considered sacred as messengers of the gods of 春日大社(かすがたいしゃ). They roam freely in Nara Park and bow to visitors for crackers. Miyajima's Itsukushima Shrine also has free-roaming deer. In other areas, deer overpopulation causes agricultural damage.